William Stewart lived at Ballylawn, County Down, Ireland.
1 (1) Martha Stewart married John Kennedy, son of Hugh Kennedy and Mary Upton.
2 (1) Alexander Stewart (b. 1699, d. 2 Apr 1781) married Mary Cowan, daughter of John Cowan, on 30 June 1737. He lived at Mount Stewart, County Down, Ireland. He held the office of Member of Parliament (M.P.) for Londonderry. He lived at Ballylawn Castle, County Donegal, Ireland.
2.1 (2) Robert Stewart, 1st Marquess of Londonderry (b. 27 Sep 1739, d. 8 Apr 1821) married, firstly, Lady Sarah Frances Seymour, daughter of Francis Seymour-Conway, 1st Marquess of Hertford and Lady Isabella Fitzroy, on 3 June 1766. He married, secondly, Lady Frances Pratt, daughter of Charles Pratt, 1st Earl Camden and Elizabeth Jeffreys, on 7 June 1775. He held the office of Member of Parliament (M.P.) for County Down between 1771 and 1783. He was created 1st Baron Londonderry [Ireland] on 20 September 1789. He was created 1st Viscount Castlereagh [Ireland] on 1 October 1795. He was created 1st Earl of Londonderry [Ireland] on 8 August 1796. He held the office of Representative Peer [Ireland] between 1801 and 1821. He was created 1st Marquess of Londonderry [Ireland] on 3 March 1816.
2.1.1 (3) (by Lady Sarah Frances Seymour) Robert Stewart, 2nd Marquess of Londonderry (b. 18 Jun 1769, d. 12 Aug 1822) married Lady Amelia Anne Hobart, daughter of John Hobart, 2nd Earl of Buckinghamshire and Caroline Conolly, on 9 June 1794 at London, England. He died committing suicide by cutting his throat. He was educated at St. John's College, Cambridge University, Cambridge, Cambridgeshire, England. He held the office of Member of Parliament (M.P.) for County Down [Ireland] between 1790 and 1800. He held the office of Member of Parliament (M.P.) for Tregony between 1794 and 1796. He was styled as Viscount Castlereagh between 1796 and 1821. He held the office of Member of Parliament (M.P.) for Orford from 1796 to 1797. He was invested as a Privy Counsellor (P.C.) [Ireland] in 1797. He held the office of Keeper of the Privy Seal [Ireland] between 1797 and 1801. He held the office of a Lord of the Treasury between 1797 and 1804. He was invested as a Privy Counsellor (P.C.) in 1798. He held the office of Chief Secretary to the Lord-Lieutenant of Ireland between 1798 and 1800. He held the office of Secretary of State [Ireland] between 1798 and 1801. He held the office of Member of Parliament (M.P.) for County Down between 1800 and 1805. He held the office of President of the India Board between 1802 and 1806. He held the office of Secretary of War and the Colonies between 1805 and 1806. He held the office of Member of Parliament (M.P.) for Boroughbridge in 1806. He held the office of Member of Parliament (M.P.) for Plympton between 1806 and 1812. He held the office of Secretary of War and the Colonies between 1807 and 1809. He held the office of Member of Parliament (M.P.) for County Down between 1812 and 1820. He held the office of Foreign Secretary between 1812 and 1822. He was invested as a Knight, Order of the Garter (K.G.) in 1814. He was Plenipoteniary to the Congress of Vienna in 1815. He was invested as a Knight Grand Cross, Hanoverian Order (G.C.H.) in 1821. He held the office of Member of Parliament (M.P.) for Orford from 1821 to 1822. He succeeded to the title of 2nd Earl of Londonderry [I., 1796] on 6 April 1821. He succeeded to the title of 2nd Marquess of Londonderry [I., 1816] on 6 April 1821. He succeeded to the title of 2nd Baron Londonderry [I., 1789] on 6 April 1821. He succeeded to the title of 2nd Viscount Castlereagh [I., 1795] on 6 April 1821.
2.1.2 (3) (by Lady Frances Pratt) Lady Octavia Catherine Stewart (d. 5 Mar 1819) married Edward Law, 1st and last Earl of Ellenborough, son of Edward Law, 1st Baron Ellenborough and Anne Towry, on 11 December 1813. She died without issue. As a result of her marriage, Lady Octavia Catherine Stewart was styled as Baroness Ellenborough on 13 December 1818.
2.1.3 (3) (by Lady Frances Pratt) Lady Matilda Stewart (d. 3 Oct 1842) married Michael Edward Ward, son of Colonel Hon. Robert Ward and Sophia Frances Whaley, on 14 September 1815.
2.1.4 (3) (by Lady Frances Pratt) Lady Georgiana Stewart (d. 17 Nov 1804) married George Canning, 1st Baron Garvagh, son of Paul Canning and Jane Charlotte Spencer, on 13 July 1803. She died without issue.
2.1.5 (3) (by Lady Frances Pratt) Lady Caroline Stewart (d. 10 Aug 1865) married Thomas Wood on 23 December 1801.
2.1.6 (3) (by Lady Frances Pratt) Lady Selina Stewart (d. 5 Feb 1871) married David Guardi Ker, son of David Ker and Madalena Guardi, on 22 February 1814.
2.1.7 (3) (by Lady Frances Pratt) Lady Frances Anne Stewart (b. 24 Jun 1777, d. 9 Feb 1810) married General Lord Charles FitzRoy, son of Augustus Henry Fitzroy, 3rd Duke of Grafton and Hon. Anne Liddell, on 10 March 1799.
2.1.8 (3) (by Lady Frances Pratt) Charles William Vane, 3rd Marquess of Londonderry (b. 18 May 1778, d. 6 Mar 1854) married, firstly, Lady Catherine Bligh, daughter of John Bligh, 3rd Earl of Darnley and Mary Stoyte, on 8 August 1804. He married, secondly, Lady Frances Anne Emily Vane-Tempest, daughter of Sir Henry Vane-Tempest, 2nd Bt. and Anne Katherine Mac Donnell, Countess of Antrim, on 3 April 1819. He was given the name of Charles William Stewart at birth.4 He was educated at Eton College, Windsor, Berkshire, England. He gained the rank of Lieutenant in 1794 in the service of the MacNamara's Foot. He gained the rank of Lieutenant-Colonel between 1797 and 1799 in the service of the 5th Dragoons. He gained the rank of Lieutenant-Colonel in 1799 in the service of the 18th Dragoons. He held the office of Member of Parliament (M.P.) for Thomastown [Ireland] between March 1800 and May 1800. He held the office of Member of Parliament (M.P.) for County Derry [Ireland] between May 1800 and December 1800. He held the office of Aide-de-Camp to King George III in 1803. He held the office of Under-Secretary for War and the Colonies between 1807 and 1809. He fought in the Peninsular Wars between 1809 and 1812, as Adjutant-General. He held the office of Governor of Fort Charles, Jamaica between 1809 and 1822, non-resident. He gained the rank of Major-General in 1810. He held the office of Member of Parliament (M.P.) for County Derry between 1810 and 1814. He held the office of Groom of the Bedchamber between 1812 and 1814. He was decorated with the award of the Knight, Order of St. George of Russia (4th class) in 1813. He was decorated with the award of the Knight Commander, Order of the Tower and Sword of Portugal in 1813. He was invested as a Knight, Order of the Bath (K.B.) in 1813. He was decorated with the award of the Knight, Order of the Black Eagle of Prussia in 1813. He was decorated with the award of the Knight Grand Cross, Order of the Sword of Sweden in 1813. He was Military Commissioner of the Allied Armies between 1813 and 1814. He was Envoy Extraordinary and Minister Plenipotentiary to Berlin between 1813 and 1814. He was Colonel of the 25th Light Dragoons between 1813 and 1818. He held the office of Ambassador to Austria between 1813 and 1823. He was decorated with the award of the Knight, Order of the Red Eagle of Prussia in 1814. He gained the rank of Lieutenant-General in 1814. He was invested as a Privy Counsellor (P.C.) in 1814. He held the office of Lord of the Bedchamber between 1814 and 1827. He gained the title of 1st Lord Stewart of Stewart's Court and Ballylawn, co. Donegal [U.K.] on 1 July 1814. He was invested as a Knight Grand Cross, Order of the Bath (G.C.B.) in 1815. He was Plenipotentiary to the Congress of Vienna. He was Colonel of the 10th Hussars between 1820 and 1843. On 5 May 1821 his name was legally changed to Charles William Vane by Royal Licence. He succeeded to the title of 3rd Baron Londonderry [I., 1789] on 12 August 1822. He succeeded to the title of 3rd Viscount Castlereagh [I., 1795] on 12 August 1822. He succeeded to the title of 3rd Earl of Londonderry [I., 1796] on 12 August 1822. He succeeded to the title of 3rd Marquess of Londonderry [I., 1816] on 12 August 1822. He held the office of Governor of County Londonderry in 1823. He was created 1st Viscount Seaham of Seaham, co. Durham [U.K.] on 28 March 1823. He was created 1st Earl Vane [U.K.] on 28 March 1823. He gained the rank of General in 1837. He held the office of Lord-Lieutenant of County Durham between 1842 and 1854. He was Colonel of the 2nd Life Guards between 1843 and 1854. He was invested as a Knight, Order of the Garter (K.G.) in 1853.
2.1.8.1 (4) (by Lady Catherine Bligh) Frederick William Robert Stewart, 4th Marquess of Londonderry (b. 7 Jul 1805, d. 25 Nov 1872) married Lady Elizabeth Frances Charlotte Jocelyn, daughter of Robert Jocelyn, 3rd Earl of Roden and Hon. Maria Frances Catherine Stapleton, on 30 April 1846. He died without issue. He was educated at Eton College, Windsor, Berkshire, England. He held the office of Member of Parliament (M.P.) (Tory) for County Down between 1826 and 1852. He held the office of a Lord of the Admiralty between 1828 and 1830. He held the office of Vice-Chamberlain of the Household between 1834 and 1835. He was invested as a Privy Counsellor (P.C.) in 1835. He held the office of Lord-Lieutenant of COunty Down between 1845 and 1864. He succeeded to the title of 4th Baron Londonderry [I., 1789] on 6 March 1854. He succeeded to the title of 2nd Earl Vane [U.K., 1823] on 6 March 1854. He succeeded to the title of 4th Viscount Castlereagh [I., 1795] on 6 March 1854. He succeeded to the title of 4th Earl of Londonderry [I., 1796] on 6 March 1854. He succeeded to the title of 2nd Baron Stewart of Stewart's Court and Ballylawn, co. Donegal [U.K., 1814] on 6 March 1854. He succeeded to the title of 4th Marquess of Londonderry [I., 1816] on 6 March 1854. He succeeded to the title of 2nd Viscount Seaham of Seaham, co. Durham [U.K., 1823] on 6 March 1854. He was invested as a Knight, Order of St. Patrick (K.P.) in 1856.1 He fought in the Colonel, Down Militia.
2.1.8.2 (4) (by Lady Frances Anne Emily Vane-Tempest) George Henry Robert Charles William Vane-Tempest, 5th Marquess of Londonderry (b. 26 Apr 1821, d. 6 Nov 1884) married Mary Cornelia Edwards, daughter of Sir John Edwards, 1st and last Bt., on 3 August 1846. He was given the name of George Henry Robert Charles William Vane at birth. He was educated at Eton College, Windsor, Berkshire, England. He was educated at Balliol College, Oxford University, Oxford, Oxfordshire, England. He gained the rank of Lieutenant between 1845 and 1848 in the service of the 1st Life Guards. He held the office of Member of Parliament (M.P.) (Conservative) for North Durham between 1847 and 1854. On 28 June 1851 his name was legally changed to George Henry Robert Charles William Vane-Tempest by Royal Licence. He was decorated with the award of the Grand Cross, Order of St. Alexander Nevski of Russia in 1867. In 1867 he has a special mission to invest Tsar Alexander II of Russia as a Knight of the order of Garter. He succeeded to the title of 5th Baron Londonderry [I., 1789] on 25 November 1872. He succeeded to the title of 5th Viscount Castlereagh [I., 1795] on 25 November 1872. He succeeded to the title of 5th Earl of Londonderry [I., 1796] on 25 November 1872. He succeeded to the title of 3rd Viscount Seaham of Seaham, co. Durham [U.K., 1823] on 25 November 1872. He succeeded to the title of 5th Marquess of Londonderry [I., 1816] on 25 November 1872. He succeeded to the title of 3rd Baron Stewart of Stewart's Court and Ballylawn, co. Donegal [U.K., 1814] on 25 November 1872. He succeeded to the title of 3rd Earl Vane [U.K., 1823] on 25 November 1872. He was invested as a Knight, Order of St. Patrick (K.P.) in 1874. He gained the rank of Colonel in the service of the 4th Battalion, Durham Light Infantry. He held the office of Lord-Lieutenant of County Durham between 1880 and 1884.
2.1.8.2.1 (5) Lady Frances Cornelia Harriet Emily Vane-Tempest (d. 2 Mar 1872)
2.1.8.2.2 (5) Lady Avarina Mary Vane-Tempest (d. 26 Jun 1873)
2.1.8.2.3 (5) Charles Stewart Vane-Tempest-Stewart, 6th Marquess of Londonderry (b. 16 Jul 1852, d. 8 Feb 1915) married Lady Theresa Susey Helen Chetwynd-Talbot, daughter of Charles John Chetwynd Chetwynd-Talbot, 19th Earl of Shrewsbury and Anna Theresa Cockerell, on 2 October 1875. He was educated at Eton College, Windsor, Berkshire, England. He was educated at Christ Church, Oxford University, Oxford, Oxfordshire, England. He held the office of Member of Parliament (M.P.) (Conservative) for County Down between 1878 and 1884. He succeeded to the title of 6th Viscount Castlereagh [I., 1795] on 6 November 1884. He succeeded to the title of 6th Earl of Londonderry [I., 1796] on 6 November 1884. He succeeded to the title of 6th Marquess of Londonderry [I., 1816] on 6 November 1884. He succeeded to the title of 6th Baron Londonderry [I., 1789] on 6 November 1884. He succeeded to the title of 4th Earl Vane [U.K., 1823] on 6 November 1884. He succeeded to the title of 4th Baron Stewart of Stewart's Court and Ballylawn, co. Donegal [U.K., 1814] on 6 November 1884. He succeeded to the title of 4th Viscount Seaham of Seaham, co. Durham [U.K., 1823] on 6 November 1884.1 On 3 August 1885 his name was legally changed to Charles Stewart Vane-Tempest-Stewart by Royal Licence. He was invested as a Privy Counsellor (P.C.) in 1886. He held the office of Lord-Lieutenant of Ireland between 1886 and 1889. He was invested as a Knight, Order of the Garter (K.G.) in 1888. He was invested as a Privy Counsellor (P.C.) [Ireland] in 1892. He gained the rank of Honorary Colonel in the service of the 3rd Northumbrian Brigade, Royal Field Artillery. He gained the rank of Honorary Colonel in the service of the 3rd Battalion, Durham Light Infantry.1 He held the office of Deputy Lieutenant (D.L.) of County Durham. He held the office of Deputy Lieutenant (D.L.) of Montgomeryshire.1 He held the office of Justice of the Peace (J.P.) for County Durham. He held the office of Postmaster-General between 1900 and 1902. He held the office of President of the Board of Education between 1902 and 1905. He was invested as a Knight Grand Cross, Royal Victorian Order (G.C.V.O.) in 1903. He held the office of Lord President of the Council between 1903 and 1905. He held the office of Mayor of Durham in 1910.
2.1.8.2.3.1 (6) Lady Helen Mary Theresa Vane-Tempest-Stewart (b. 8 Sep 1876, d. 14 Jan 1956) married Giles Stephen Holland Fox-Strangways, 6th Earl of Ilchester, son of Henry Edward Fox-Strangways, 5th Earl of Ilchester and Lady Mary Eleanor Anne Dawson, on 25 January 1902. As a result of her marriage, Lady Helen Mary Theresa Vane-Tempest-Stewart was styled as Countess of Ilchester on 6 December 1905.
2.1.8.2.3.2 (6) Charles Stewart Henry Vane-Tempest-Stewart, 7th Marquess of Londonderry (b. 13 May 1878, d. 11 Feb 1949) married Hon. Edith Helen Chaplin, daughter of Henry Chaplin, 1st Viscount Chaplin and Lady Florence Sutherland-Leveson-Gower, on 28 November 1899. He was educated at Eton College, Windsor, Berkshire, England. He was educated at Royal Military College, Sandhurst, Berkshire, England. He held the office of Member of Parliament (M.P.) (Conservative) for Maidstone between 1906 and 1915. He was decorated with the award of the Efficiency Decoration (E.D.) He fought in the First World War, where he was mentioned in despatches. He succeeded to the title of 7th Marquess of Londonderry [I., 1816] on 8 February 1915. He succeeded to the title of 7th Earl of Londonderry [I., 1796] on 8 February 1915. He succeeded to the title of 7th Viscount Castlereagh [I., 1795] on 8 February 1915. He succeeded to the title of 5th Viscount Seaham of Seaham, co. Durham [U.K., 1823] on 8 February 1915. He succeeded to the title of 5th Earl Vane [U.K., 1823] on 8 February 1915. He succeeded to the title of 7th Baron Londonderry [I., 1789] on 8 February 1915. He succeeded to the title of 5th Baron Stewart of Stewart's Court and Ballylawn, co. Donegal [U.K., 1814] on 8 February 1915. He gained the rank of Major and Brevet Lieutenant-Colonel in the service of the Royal Horse Guards. He was invested as a Privy Counsellor (P.C.) [Ireland] in 1918. He was invested as a Knight, Order of the Garter (K.G.) in 1919. He held the office of Under-Secretary of State for Air between 1920 and 1921. He held the office of Leader of the Senate [Northern Ireland] between 1921 and 1926. He held the office of Minister of Education [Northern Ireland]. He was invested as a Privy Counsellor (P.C.) [Northern Ireland] in 1922. He was invested as a Member, Royal Victorian Order (M.V.O.) He held the office of Justice of the Peace (J.P.) for County Down. He held the office of Justice of the Peace (J.P.) for County Durham. He held the office of Chancellor of Queen's University, Belfast in 1923. He was invested as a Privy Counsellor (P.C.) in 1925. He held the office of First Commissioner of Works and Public Buidlings between 1928 and 1929. He held the office of First Commissioner of Works and Public Buidlings in 1931. He held the office of Chancellor of Durham University in 1931. He held the office of Under-Secretary of State for Air between October 1931 and 1935. He held the office of Leader of the House of Lords in November 1935. He held the office of Lord Privy Seal in November 1935.1 He held the office of Mayor of Durham in 1936. He wrote the book Wings of Destiny (ASIN: B007GAH424). He was invested as a Knight of Grace, Order of St. John of Jerusalem (K.G.St.J.) He wrote the book Ourselves and Germany (ASIN: B0007J20ZW).
2.1.8.2.3.2.1 (7) Lady Maureen Helen Vane-Tempest-Stewart (b. 6 Dec 1900, d. 20 Jun 1942) married Colonel Rt. Hon. Oliver Frederick George Stanley, son of Edward George Villiers Stanley, 17th Earl of Derby and Lady Alice Maude Olivia Montagu, on 4 November 1920. She held the office of Member of the Westmorland County Council.
2.1.8.2.3.2.2 (7) Edward Charles Robert Vane-Tempest-Stewart, 8th Marquess of Londonderry (b. 18 Nov 1902, d. 17 Oct 1955) married Romaine Combe, daughter of Major Boyce Combe and Mabel Katherine Tombs, on 31 October 1931. He was educated at Eton College, Windsor, Berkshire, England. He graduated from Christ Church, Oxford University, Oxford, Oxfordshire, England, in 1923 with a Bachelor of Arts (B.A.) He was Honorary Attaché to Rome between 1924 and 1925. He held the office of Justice of the Peace (J.P.) for County Down in 1931. He held the office of Deputy Lieutenant (D.L.) of County Down. He held the office of Member of Parliament (M.P.) for County Down between October 1931 and June 1945. He succeeded to the title of 8th Viscount Castlereagh [I., 1795] on 11 February 1949. He succeeded to the title of 8th Earl of Londonderry [I., 1796] on 11 February 1949. He succeeded to the title of 6th Earl Vane [U.K., 1823] on 11 February 1949. He succeeded to the title of 6th Viscount Seaham of Seaham, co. Durham [U.K., 1823] on 11 February 1949. He succeeded to the title of 8th Marquess of Londonderry [I., 1816] on 11 February 1949. He succeeded to the title of 8th Baron Londonderry [I., 1789] on 11 February 1949. He succeeded to the title of 6th Baron Stewart of Stewart's Court and Ballylawn, co. Donegal [I., 1816] on 11 February 1949. He held the office of Deputy Lieutenant (D.L.) of Coutny Durham in 1950.
2.1.8.2.3.2.2.1 (8) Lady Jane Antonia Frances Vane-Tempest-Stewart (b. 11 Aug 1932) married Max Rayne, Baron Rayne, son of Philip Rayne and Deborah, on 2 June 1965. She married Robert Lacey circa August 2012. She lived in 2003 at 33 Robert Adam Street, London, England.
2.1.8.2.3.2.2.2 (8) Lady Annabel Vane-Tempest-Stewart (b. 13 Jun 1934) married, firstly, Marcus Lecky Oswald Hornby Birley, son of Sir Oswald Joseph Hornby Birley and Rhoda Vava Mary Lecky Pike, on 10 March 1954. She married, secondly, Sir James Michael Goldsmith, son of Francis Benedict Hayam Goldsmith and Marcelle Mouiller, on 16 November 1978 at Paris, France. She lived in 2003 at Ormeley Lodge, Ham Common, Surrey, England.
2.1.8.2.3.2.2.3 (8) Alexander Charles Robert Vane-Tempest-Stewart, 9th Marquess of Londonderry (b. 7 Sep 1937, d. 20 Jun 2012) married, firstly, Nicolette Elaine Katherine Harrison, daughter of Michael Harrison and Maria Madeleine Benita von Koskull, on 16 May 1958. He married, secondly, Doreen Patricia Wells on 10 March 1972. He was educated at Eton College, Windsor, Berkshire, England. He succeeded to the title of 7th Earl Vane [U.K., 1823] on 17 October 1955. He succeeded to the title of 7th Viscount Seaham of Seaham, co. Durham [U.K., 1823] on 17 October 1955. He succeeded to the title of 7th Baron Stewart of Stewart's Court and Ballylawn, co. Donegal [U.K., 1814] on 17 October 1955. He succeeded to the title of 9th Earl of Londonderry [I., 1796] on 17 October 1955. He succeeded to the title of 9th Marquess of Londonderry [I., 1816] on 17 October 1955. He succeeded to the title of 9th Viscount Castlereagh [I., 1795] on 17 October 1955. He succeeded to the title of 9th Baron Londonderry [I., 1789] on 17 October 1955.
2.1.8.2.3.2.2.3.1 (9) (by Nicolette Elaine Katherine Harrison) Lady Sophia Frances Anne Vane-Tempest-Stewart (b. 23 Feb 1959) married Jonathan Mark Pilkington, son of Ronald Charles Leslie Pilkington, in 1987.
2.1.8.2.3.2.2.3.2 (9) (by Nicolette Elaine Katherine Harrison) Lady Cosima Maria-Gabriella Vane-Tempest-Stewart (b. 25 Dec 1961) married, firstly, Cosmo Fry, son of Jeremy Fry, on 1 October 1982. She married, secondly, Lord John Robert Somerset, son of David Robert Somerset, 11th Duke of Beaufort and Lady Caroline Jane Thynne, in 1990. She was educated at St. Paul's Girls' School, London, England.
2.1.8.2.3.2.2.3.3 (9) (by Doreen Patricia Wells) Frederick Aubrey Vane-Tempest-Stewart, 10th Marquess of Londonderry (b. 6 Sep 1972) was styled as Viscount Castlereagh between 1972 and 2012. He succeeded to the title of 8th Baron Stewart of Stewart's Court and Ballylawn, co. Donegal [U.K., 1814] on 20 June 2012. He succeeded to the title of 8th Viscount Seaham of Seaham, co. Durham [U.K., 1823] on 20 June 2012. As a result of his marriage, Frederick Aubrey Vane-Tempest-Stewart, 10th Marquess of Londonderry was styled as 8th Earl Vane [U.K., 1823] on 20 June 2012. He succeeded to the title of 10th Baron Londonderry [I., 1789] on 20 June 2012. He succeeded to the title of 10th Marquess of Londonderry [I., 1816] on 20 June 2012. He succeeded to the title of 10th Viscount Castlereagh [I., 1795] on 20 June 2012. He succeeded to the title of 10th Earl of Londonderry [I., 1796] on 20 June 2012.
2.1.8.2.3.2.2.3.4 (9) (by Doreen Patricia Wells) Lord Reginald Alexander Vane-Tempest-Stewart (b. 1977) married Chloë Belinda Guinness, daughter of William Loel Seymour Guinness and Agnes Elizabeth Lynn Day.
2.1.8.2.3.2.2.3.4.1 (10) Robin Gabriel Vane-Tempest-Stewart (b. 29 May 2004)
2.1.8.2.3.2.2.3.4.2 (10) Amy Romaine Vane-Tempest-Stewart (b. 19 Feb 2007)
2.1.8.2.3.2.2.3.4.3 (10) Violet May Vane-Tempest-Stewart (b. 13 Feb 2009)
2.1.8.2.3.2.3 (7) Lady Margaret Frances Anne Vane-Tempest-Stewart (b. 9 Mar 1910, d. 19 Oct 1966) married, firstly, Frederic Alan Irving Muntz on 21 November 1934. She married, secondly, Hugh Falkus, son of James Everest Falkus, on 18 July 1952. She died without issue. In 1941 her name was legally changed to Vane-Tempest-Stewart by Deed Poll. On 15 September 1958 her name was legally changed to Vane-Tempest-Stewart by Deed Poll.
2.1.8.2.3.2.4 (7) Lady Helen Maglona Vane-Tempest-Stewart (b. 8 Jul 1911, d. 11 Mar 1986) married, firstly, Edward Herbert Jessel, 2nd Baron Jessel, son of Herbert Merton Jessel, 1st Baron Jessel and Maud Goldsmid, on 14 February 1935. She married, secondly, Dennis Cecil Whittington Walsh, son of Sir Cecil Henry Walsh, on 23 March 1960. As a result of her marriage, Lady Helen Maglona Vane-Tempest-Stewart was styled as Baroness Jessel on 1 November 1950.
2.1.8.2.3.2.5 (7) Lady Mairi Elizabeth Vane-Tempest-Stewart (b. 25 Mar 1921, d. 16 Nov 2009) married Derek William Charles Keppel, Viscount Bury, son of Walter Egerton George Lucian Keppel, 9th Earl of Albemarle and Lady Judith Sydney Myee Wynn-Carington, on 10 December 1940. She died at Mount Stewart, County Down, Ireland. She held the office of Justice of the Peace (J.P.) for County Down.
2.1.8.2.3.3 (6) Lord Charles Stewart Reginald Vane-Tempest-Stewart (b. 4 Dec 1879, d. 9 Oct 1899) died unmarried.
2.1.8.2.4 (5) Lord Henry John Vane-Tempest (b. 1 Jul 1854, d. 28 Jan 1905) died unmarried. He held the office of Deputy Lieutenant (D.L.) of Merionethshire. He gained the rank of Lieutenant in the service of the 2nd Life Guards. He held the office of Deputy Lieutenant (D.L.) of Montgomeryshire. He held the office of Justice of the Peace (J.P.) He was decorated with the award of the Royal Officers' Decoration (V.D.) He lived at Machynllet, Montgomeryshire, Wales.
2.1.8.2.5 (5) Lord Sir Herbert Lionel Henry Vane-Tempest (b. 6 Jul 1862, d. 26 Jan 1921) died at age 58, killed in the Welsh Railway accident. He held the office of Justice of the Peace (J.P.) for Montgomeryshire. He held the office of Justice of the Peace (J.P.) for Merionethshire. He was decorated with the award of the Royal Officers' Decoration (V.D.) He was invested as a Knight Commander, Royal Victorian Order (K.C.V.O.) He held the office of High Sheriff of Montgomeryshire in 1910. He gained the rank of Major and Honorary Lieutenant-Colonel in the service of the Durham Artillery Volunteers. He lived at Machynllet, Montgomeryshire, Wales.
2.1.8.2.6 (5) Lady Alexandrina Louise Maud Vane-Tempest (b. 8 Nov 1863, d. 31 Jul 1945) married Wentworth Canning Blackett Beaumont, 1st Viscount Allendale, son of Wentworth Blackett Beaumont, 1st Baron Allendale and Lady Margaret Anne de Burgh, on 12 November 1889. As a result of her marriage, Lady Alexandrina Louise Maud Vane-Tempest was styled as Baroness Allendale on 13 February 1907. As a result of her marriage, Lady Alexandrina Louise Maud Vane-Tempest was styled as Viscountess Allendale on 2 July 1911.
2.1.8.3 (4) (by Lady Frances Anne Emily Vane-Tempest) Lady Frances Anne Emily Vane (b. 15 Apr 1822, d. 16 Apr 1899) married John Winston Spencer-Churchill, 7th Duke of Marlborough, son of George Spencer-Churchill, 6th Duke of Marlborough and Lady Jane Stewart, on 12 July 1843 at St. George's Street, Mayfair, London, England. She died at Blenheim Palace, Woodstock, Oxfordshire, England. She was buried on 21 April 1899 at Chapel, Blenheim Palace, Woodstock, Oxfordshire, England. She was invested as a Lady, Royal Order of Victoria and Albert (V.A.) As a result of her marriage, Lady Frances Anne Emily Vane was styled as Marchioness of Blandford on 12 July 1843. As a result of her marriage, Lady Frances Anne Emily Vane was styled as Duchess of Marlborough on 1 July 1857.
2.1.8.4 (4) (by Lady Frances Anne Emily Vane-Tempest) Lady Alexandrina Octavia Maria Vane (b. 29 Jul 1823, d. 15 Jan 1874) married Henry John Reuben Dawson-Damer, 3rd Earl of Portarlington, son of Captain Hon. Henry Dawson-Damer and Eliza Moriarty, on 3 September 1847. She died without issue. As a result of her marriage, Lady Alexandrina Octavia Maria Vane was styled as Countess of Portarlington on 3 September 1847.
2.1.8.5 (4) (by Lady Frances Anne Emily Vane-Tempest) Lt.-Col. Lord Adolphus Frederick Charles William Vane-Tempest (b. 2 Jul 1825, d. 11 Jun 1864) married Lady Susan Charlotte Catherine Pelham-Clinton, daughter of Henry Pelham Pelham-Clinton, 5th Duke of Newcastle-under-Lyne and Lady Susan Harriet Catherine Hamilton, on 23 April 1860. On 28 June 1851 his name was legally changed to Adolphus Frederick Charles William Vane-Tempest by Royal Licence. He held the office of Member of Parliament (M.P.) He gained the rank of Lieutenant-Colonel in the service of the Scots Guards.
2.1.8.5.1 (5) Major Francis Adolphus Vane-Tempest (b. 4 Jan 1863, d. 10 Dec 1932) married Gertrude Magdalen Elliot, daughter of F. A. Elliot and Charlotte Bell, on 30 November 1901.
2.1.8.5.1.1 (6) Francis Charles Joseph Vane-Tempest (b. 25 Jan 1911, d. 5 Oct 1994) married, firstly, Pamela Mary Abel-Smith, daughter of Major Edwin Philip Abel-Smith and Gertrude Mary Hodgson, on 2 June 1931. He married, secondly, Penelope Joan Bevan, daughter of Edmund Henry Bevan and Hon. Joan Mary Conyers Norton, in 1935. He was educated at Downside School, Bath, Somerset, England. He fought in the Second World War. He fought in the Flight Lieutenant, Royal Air Force Volunteer Reserves.
2.1.8.5.1.1.1 (7) Richard Conyers Vane-Tempest (b. 9 Jul 1941, d. 24 Dec 2012) married Deirdre Flanagan circa 2001. He died at Bicheno, Tasmnaia, Australia. He was educated at Downside Abbey, Stratton-on-the-Fosse, Somerset, England. He graduated from London Hospital Medical College, London, England, with a Bachelor of Surgery (B.S.) He graduated from London Hospital Medical College, London, England, with a Bachelor of Medicine (M.B.) He was registered as a Member, Royal College of Surgeons (M.R.C.S.) He was registered as a Licentiate, Royal College of Physicians, London (L.R.C.P.) He was registered as a Member, Royal College of Obstetricians and Gynaecologists (M.R.C.O.G.) He was a general practitioner in 1971 at Avalon, Sydney, New South Wales, Australia. He was director of emergency medicine between 1990 and 2002 at John Hunter Hospital, Newcastle, New South Wales, Australia. He was a general practitioner between 2002 and 2012 at Bicheno, Tasmnaia, Australia.
2.1.8.5.1.1.1.1 (8) Jane Vane-Tempest
2.1.8.5.1.1.1.2 (8) Clare Vane-Tempest
2.1.8.5.1.1.1.3 (8) Katie Vane-Tempest
2.1.8.5.1.1.1.4 (8) Elspeth Vane-Tempest
2.1.8.5.1.1.1.5 (8) Michael Vane-Tempest
2.1.8.5.1.1.1 (7) Peregrine Francis Edmund Vane-Tempest (b. 27 May 1947)
2.1.8.6 (4) (by Lady Frances Anne Emily Vane-Tempest) Lady Adelaide Emelina Caroline Vane (b. 1830, d. 3 Feb 1882) married Reverend Frederick Henry Law, son of Reverend James Thomas Law and Lady Henrietta Charlotte Grey, on 11 February 1852.
2.1.8.7 (4) (by Lady Frances Anne Emily Vane-Tempest) Lord Ernest McDonnell Vane-Tempest (b. 29 Feb 1836, d. 14 Aug 1885) married Mary Townshend Hutchinson, daughter of Thomas Hutchinson, on 12 January 1869. On 28 June 1851 his name was legally changed to Ernest McDonnell Vane-Tempest by Royal Licence.
2.1.8.7.1 (5) Charles Henry Vane-Tempest (b. 22 Feb 1871, d. 20 Feb 1899) married Florence Mark Kirk, daughter of William Kirk, on 13 April 1893.
2.1.8.7.1.1 (6) Ernest Charles William Vane-Tempest (b. 24 Jul 1894, d. 24 Aug 1957) married, firstly, Aline Mary Loftus St. George, daughter of Loftus St. George and Marguerite Isabel Clifford Borrer, on 19 December 1918. He married, secondly, Anne Elizabeth Humphreys, daughter of Captain Evan Humphreys, on 23 December 1933. He was educated at Eton College, Windsor, Berkshire, England. He was educated at Trinity College, Cambridge University, Cambridge, Cambridgeshire, England. He fought in the First World War, where he was mentioned in despatches. He gained the rank of Lieutenant in the service of the Royal Naval Volunteer Reserves. He was decorated with the award of the Distinguished Service Cross (D.S.C.)
2.1.8.7.1.1.1 (7) Theresa Anne Mary Stewart Vane-Tempest (b. 1 Feb 1920)
2.1.8.7.1.1.2 (7) Charles Stewart McDonnell Vane-Tempest (b. 2 Dec 1921) He married, firstly, Diana Constance Seth-Smith, daughter of Major Kenneth Arthur Seth-Smith, on 2 September 1948. He married Maija-Lilsa Puomi, daughter of Colonel Erkki Elias Puomi, in 1957. He was educated at Haileybury College, Haileybury, Hertfordshire, England. He gained the rank of Flying Officer between 1940 and 1948 in the service of the Royal Air Force.
2.1.8.7.1.1.2.1 (8) (by Diana Constance Seth-Smith) Charles Stewart Martin St. George Vane-Tempest (b. 18 Apr 1950) married, firstly, Pamelia Elizabeth Jenkins, daughter of M. Jenkins, on 1 July 1972. He married, secondly, Jillian Barbara von Bulow, daughter of Dr. John Evelyn Bulow, in 1977. He was educated at Stowe School, Buckingham, Buckinghamshire, England. He lived in 2003 at Lower House Farm, The Endway, Steeple Bumpstead, Suffolk, England.
2.1.8.7.1.1.2.1.1 (9) Christopher James Stewart St. George Vane-Tempest (b. 1 Aug 1978) married Alexandra Soens. He was registered as a Member, Royal Institution of Chartered Surveyors (M.R.I.C.S.)
2.1.8.7.1.1.2.1.1.1 (10) Victoria Frances Olivia Vane-Tempest (b. 12 Nov 2009)
2.1.8.7.1.1.2.1.1.2 (10) Valentina Frances Diana Vane-Tempest (b. 23 Apr 2014)
2.1.8.7.1.1.2.1.2 (9) James Alexander Stewart Vane-Tempest (b. 10 Jul 1981) married Charlotte Jane Oddie on 6 June 2009.
2.1.8.7.1.1.2.1.2.1 (10) George Frederick Stewart Vane-Tempest (b. 4 Jun 2012)
2.1.8.7.1.1.2.1.2.2 (10) Harry John Stewart Vane-Tempest (b. 16 Jan 2014)
2.1.8.7.1.1.2.2 (8) (by Diana Constance Seth-Smith) Aline Mary Anne Vane-Tempest (b. 10 Dec 1952) married Philip John Lester Nash in 1984.
2.1.8.7.1.1.2.3 (8) (by Maija-Lilsa Puomi) Charles Erkki William Vane-Tempest (b. 28 Apr 1958) married, firstly, Stina Maria Veronica Tornblom, daughter of Per-Erik Tornblom, in 1981. He married, secondly, Maria Gabriella Heinonen on 20 July 2008.
2.1.8.7.1.1.2.4 (8) (by Maija-Lilsa Puomi) Donald John Ernest Vane-Tempest (b. 29 Jan 1961) married Pirkko Maritta Salminen, daughter of Vaino Salminen, in 1985.
2.1.8.7.1.1.2.4.1 (9) Thomas Christopher Vane-Tempest (b. 1986)
2.1.8.7.1.1.2.5 (8) (by Maija-Lilsa Puomi) Harold Michael St. George Vane-Tempest (b. 28 Dec 1962) married Merja Anneli Karinkanta, daughter of Teuvo Karinkanta, in 1987.
2.1.8.7.1.1.2.6 (8) (by Maija-Lilsa Puomi) Mary-Anne Elizabeth Vane-Tempest (b. 28 Dec 1962)
2.1.8.7.1.2 (6) Charles Stewart Vane-Tempest (b. 5 May 1896, d. 25 Mar 1917) died at age 20, from wounds received in action. He fought in the First World War. He gained the rank of Lieutenant in the service of the 5th Battalion, Durham Light Infantry. He gained the rank of Lieutenant in the service of the Royal Flying Corps.
2.1.9 (3) (by Lady Frances Pratt) Lady Emily Jane Stewart (b. 1789, d. 18 Oct 1865) married, firstly, John James, son of Sir Walter James, 1st Bt. and Lady Jane Pratt, on 29 June 1814. She married, secondly, Field Marshal Henry Hardinge, 1st Viscount Hardinge of Lahore and Kings Newton, son of Reverend Henry Hardinge and Frances Best, on 10 December 1821. As a result of her marriage, Lady Emily Jane Stewart was styled as Viscountess Hardinge on 2 May 1846.
2.2 (2) Alexander Stewart (b. 26 Mar 1746, d. Aug 1831) married Lady Mary Moore, daughter of Charles Moore, 1st Marquess of Drogheda and Lady Anne Seymour-Conway, on 2 October 1791.
2.2.1 (3) Maria Frances Stewart (d. 1857) married Robert Montgomery on 10 June 1811.
2.2.2 (3) Alexander Robert Stewart (b. 12 Sep 1795, d. 25 Mar 1850) married Lady Caroline Pratt, daughter of John Jeffreys Pratt, 1st Marquess Camden and Frances Molesworth, on 28 July 1825. He lived at Ards House, County Donegal, Ireland.
2.2.2.1 (4) Elizabeth Georgina Stewart
2.2.2.2 (4) Alexander John Robert Stewart (b. 5 Jul 1827, d. 30 Jul 1904) married Lady Isabella Rebecca Graham-Toler, daughter of Hector John Graham-Toler, 2nd Earl of Norbury and Elizabeth Brabazon, on 17 May 1851. He lived at Ards, County Donegal, Ireland. He held the office of Deputy Lieutenant (D.L.)
2.2.2.2.1 (5) Caroline Helen Mary Stewart married Frederick Thomas Penton on 5 July 1883.
2.2.2.2.2 (5) Beatrice Charlotte Elizabeth Stewart
2.2.2.2.3 (5) Ida Mary Augusta Stewart
2.2.2.2.4 (5) Alexander George John Stewart of Ards (b. 13 Feb 1852) married Julia Blanche Dingwall, daughter of Charles Dingwall and Julia Blanche Drew, on 10 April 1883 at Wandsworth, London, England.
2.2.2.2.4.1 (6) Ena Dingwall Tasca Stewart
2.2.2.2.4.2 (6) Muriel Neara Stewart
2.2.2.2.5 (5) Charles Hector Stewart (b. 23 May 1853)
2.2.2.2.6 (5) George Laurence Stewart (b. 6 Sep 1861)
2.2.2.2.7 (5) Henry Moore Stewart (b. 29 Mar 1863)
2.2.2.2.8 (5) Cecil George Graham Stewart (b. 14 Jun 1868)
2.2.2.3 (4) Rear-Admiral Hector Brabazon Stewart (b. 13 Dec 1841)
2.2.2.4 (4) Robert Seymour Stewart (b. 28 Mar 1846) married Frances Lucia O'Hanlon on 7 February 1885.
2.2.2.5 (4) Sir Charles John Stewart (b. 28 Jun 1851, d. 4 Sep 1932) married Lady Mary Catherine Graham-Toler, daughter of Hector John Graham-Toler, 3rd Earl of Norbury and Lady Steuart Bethune, on 13 October 1884. He was invested as a Knight Commander, Order of the British Empire (K.B.E.)
2.2.2.5.1 (5) Helen Margaret Stewart (b. 4 Apr 1886, d. 22 Sep 1945) married, firstly, Captain Colin Frederick Fitzroy Campbell before 9 April 1932. She married, secondly, Sir Hubert Charles Rhys Rankin, 3rd Bt., son of Sir James Reginald Lea Rankin, 2nd Bt. and Hon. Nest Rice, on 9 April 1932.
2.2.2.5.2 (5) Gerald Charles Stewart (b. 29 Mar 1888)
2.2.2.5.3 (5) Eirene Mary Stewart (b. 29 Sep 1890)
2.2.2.5.4 (5) Marjorie Alice Stewart (b. 6 Aug 1893)
2.2.2.5.5 (5) John Maurice Stewart (b. 27 Apr 1895)
2.2.3 (3) John Vandeleur Stewart (b. 4 Oct 1802, d. 24 Jan 1872) married Lady Helen Graham-Toler, daughter of Hector John Graham-Toler, 2nd Earl of Norbury and Elizabeth Brabazon, on 18 December 1837. He lived at Rock Hill, County Londonderry, Ireland.1 He held the office of Deputy Lieutenant (D.L.)
2.2.3.1 (4) Alexander Charles Hector Stewart (b. 15 Nov 1838) married Gertrude Mary Smith, daughter of Eric Carrington Smith and Mary Maberly, on 25 April 1872.
2.2.3.1.1 (5) Kathleen Stewart (b. 8 Jan 1875) married Philip Arthur MacGregor on 9 June 1904.