Lady Harriett Lascelles1 
After her marriage, Lady Harriett Lascelles was styled as Countess of Sheffield on 6 June 1825. From 6 June 1825, her married name became Holroyd.
Children of Lady Harriett Lascelles and George Augustus Frederick Charles Holroyd, 2nd Earl of Sheffield
- Lady Susan Harriet Holroyd+1 d. 5 Apr 1894
- Frederick Henry Stuart Holroyd, Viscount Pevensey1 b. 24 Oct 1827, d. 21 Mar 1829
- Henry North Holroyd, 3rd Earl of Sheffield2 b. 18 Jan 1832, d. 21 Apr 1909
- Hon. Douglas Edward Holroyd1 b. 20 Jun 1834, d. 9 Feb 1882
- [S21] L. G. Pine, The New Extinct Peerage 1884-1971: Containing Extinct, Abeyant, Dormant and Suspended Peerages With Genealogies and Arms (London, U.K.: Heraldry Today, 1972), page 249. Hereinafter cited as The New Extinct Peerage.
- [S37] BP2003 volume 3, page 3720. See link for full details for this source. Hereinafter cited as. [S37]
- [S37] BP2003. [S37]
Lady Frances Anne Lascelles1 
Her married name became Hope.
- [S37] BP2003 volume 2, page 1786. See link for full details for this source. Hereinafter cited as. [S37]
Lady Emma Lascelles1 
Her married name became Portman. She held the office of Lady of the Bedchamber to HM Queen Victoria between 1837 and 1851.2 She held the office of Extra Lady of the Bedchamber to HM Queen Victoria between 1851 and 1865.2
Children of Lady Emma Lascelles and Edward Berkley Portman, 1st Viscount Portman of Bryanston
- William Henry Berkeley Portman, 2nd Viscount Portman of Bryanston+3 b. 12 Jul 1829, d. 16 Oct 1919
- Hon. Edwin Berkeley Portman+2 b. 3 Aug 1830, d. 27 Apr 1921
- Hon. Maurice Berkeley Portman+3 b. 17 Jan 1833, d. 12 Jan 1888
- Reverend Hon. Walter Berkeley Portman+3 b. 1 Dec 1836, d. 22 Mar 1903
Lady Louisa Lascelles1 
Her married name became Cavendish.
Children of Lady Louisa Lascelles and Lord George Henry Cavendish
- Alice Louisa Cavendish+ d. 28 Mar 1905
- unknown son Cavendish1
- James Charles Cavendish1 b. 27 Dec 1838
- Arthur Cavendish1 b. 27 Dec 1844
- Walter Frederic Cavendish1 b. 27 Dec 1844
- Susan Henrietta Cavendish+ b. 29 Jul 1846, d. 16 Oct 1909
- [S37] BP2003 volume 1, page 1128. See link for full details for this source. Hereinafter cited as. [S37]
- [S9902] Jean Goodman and David Williamson, Debrett’s Book of the Royal Engagement (London: Debrett’s Peerage, 1986), page 116. Hereinafter cited as Debrett’s Book of the Royal Engagement.
- [S37] BP2003. [S37]
Lord George Henry Cavendish1 
In 1858 he was granted the rank of a duke’s younger son.1 He held the office of Member of Parliament (M.P.) for North Derbyshire.1
Children of Lord George Henry Cavendish and Lady Louisa Lascelles
- Alice Louisa Cavendish+4 d. 28 Mar 1905
- unknown son Cavendish1
- James Charles Cavendish1 b. 27 Dec 1838
- Arthur Cavendish1 b. 27 Dec 1844
- Walter Frederic Cavendish1 b. 27 Dec 1844
- Susan Henrietta Cavendish+4 b. 29 Jul 1846, d. 16 Oct 1909
- [S37] BP2003 volume 1, page 1128. See link for full details for this source. Hereinafter cited as. [S37]
- [S4567] Bill Norton, “re: Pitman Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 6 April 2010 and 19 April 2011. Hereinafter cited as “re: Pitman Family.”
- [S9902] Jean Goodman and David Williamson, Debrett’s Book of the Royal Engagement (London: Debrett’s Peerage, 1986), page 116. Hereinafter cited as Debrett’s Book of the Royal Engagement.
- [S37] BP2003. [S37]
Lady Louisa Thynne1 
Her married name became Lascelles. After her marriage, Lady Louisa Thynne was styled as Countess of Harewood on 24 November 1841.
Children of Lady Louisa Thynne and Henry Lascelles, 3rd Earl of Harewood
- Henry Thynne Lascelles, 4th Earl of Harewood+1 b. 18 Jun 1824, d. 24 Jun 1892
- Hon. Egremont William Lascelles+1 b. 26 Jul 1825, d. 27 Oct 1892
- Hon. George Edwin Lascelles+1 b. 19 Oct 1826, d. 9 Mar 1911
- Hon. Algernon Francis Lascelles2 b. 21 Jan 1828, d. 28 Mar 1845
- Hon. Alfred Lascelles2 b. 26 Feb 1829, d. 20 Mar 1845
- Lady Louisa Isabella Lascelles+2 b. 20 Jul 1830, d. 30 Nov 1918
- Rev. Hon. James Walter Lascelles+2 b. 14 Nov 1831, d. 25 Nov 1901
- Lady Susan Charlotte Lascelles+2 b. 1834, d. 18 May 1927
- Commander Hon. Horace Douglas Lascelles2 b. 20 Sep 1835, d. 15 Jun 1869
- Lady Blanche Emma Lascelles+2 b. 18 Aug 1837, d. 26 Dec 1863
- Lady Florence Harriet Lascelles2 b. 1838, d. 18 Nov 1901
- Lady Mary Elizabeth Lascelles+2 b. c 1843, d. 7 Feb 1866
- Lady Maud Caroline Lascelles+2 b. 1846, d. 14 Apr 1938
Henry Thynne Lascelles, 4th Earl of Harewood1 
He succeeded as the 4th Earl of Harewood, co. York [U.K., 1812] on 22 February 1857.1 He succeeded as the 4th Viscount Lascelles [U.K., 1812] on 22 February 1857.1 He succeeded as the 4th Baron Harwood, of Harewood, co. York [G.B., 1796] on 22 February 1857.1
Children of Henry Thynne Lascelles, 4th Earl of Harewood and Lady Elizabeth Joanna de Burgh
- Henry Ulick Lascelles, 5th Earl of Harewood+2 b. 21 Aug 1846, d. 6 Oct 1929
- Commander Hon. Frederick Canning Lascelles+2 b. 6 May 1848, d. 31 Dec 1928
- Hon. Gerald William Lascelles+2 b. 26 Oct 1849, d. 11 Feb 1928
- Hon. Charles George Lascelles2 b. 23 Jan 1851, d. 19 Feb 1886
- Lady Constance Mary Lascelles+2 b. 27 May 1852, d. 23 Aug 1932
- Lady Margaret Joan Lascelles+3 b. 2 Oct 1853, d. 19 Sep 1927
Children of Henry Thynne Lascelles, 4th Earl of Harewood and Diana Elizabeth Smyth
- Lady Susan Elizabeth Lascelles+2 b. 21 May 1860, d. 22 Jan 1925
- Hon. Edwin Harry Lascelles2 b. 3 Aug 1861, d. 16 Jan 1924
- Hon. Daniel Harry Lascelles2 b. 1 Aug 1862, d. 28 Nov 1904
- Hon. George Algernon Lascelles+2 b. 2 Aug 1865, d. 25 May 1932
- Hon. William Horace Lascelles+2 b. 15 Feb 1868, d. 7 May 1949
- Hon. Francis John Lascelles+2 b. 29 Dec 1871, d. 9 May 1925
- Hon. Eric James Lascelles2 b. 2 Mar 1873, d. 24 Jun 1901
- Lady Mary Diana Lascelles+2 b. 24 May 1877, d. 23 Jul 1930
- [S37] BP2003 volume 2, page 1786. See link for full details for this source. Hereinafter cited as. [S37]
- [S37] BP2003. [S37]
- [S21] L. G. Pine, The New Extinct Peerage 1884-1971: Containing Extinct, Abeyant, Dormant and Suspended Peerages With Genealogies and Arms (London, U.K.: Heraldry Today, 1972), page 102. Hereinafter cited as The New Extinct Peerage.
Lady Elizabeth Joanna de Burgh1 
Her married name became Lascelles.
Children of Lady Elizabeth Joanna de Burgh and Henry Thynne Lascelles, 4th Earl of Harewood
- Henry Ulick Lascelles, 5th Earl of Harewood+3 b. 21 Aug 1846, d. 6 Oct 1929
- Commander Hon. Frederick Canning Lascelles+3 b. 6 May 1848, d. 31 Dec 1928
- Hon. Gerald William Lascelles+3 b. 26 Oct 1849, d. 11 Feb 1928
- Hon. Charles George Lascelles3 b. 23 Jan 1851, d. 19 Feb 1886
- Lady Constance Mary Lascelles+3 b. 27 May 1852, d. 23 Aug 1932
- Lady Margaret Joan Lascelles+3 b. 2 Oct 1853, d. 19 Sep 1927
- [S21] L. G. Pine, The New Extinct Peerage 1884-1971: Containing Extinct, Abeyant, Dormant and Suspended Peerages With Genealogies and Arms (London, U.K.: Heraldry Today, 1972), page 72. Hereinafter cited as The New Extinct Peerage.
- [S1457] Paul W. Harding, “re: British Admirals-Age of Nelson,” e-mail message to British and European Nobility Register, 10 September 2005. Hereinafter cited as “re: Age of Nelson.”
- [S37] BP2003 volume 2, page 1787. See link for full details for this source. Hereinafter cited as. [S37]
Sir Ulick John de Burgh, 1st Marquess of Clanricarde1 
He succeeded as the 2nd Earl of Clanricarde, co. Galway [I., 1800] on 27 July 1808.1 He succeeded as the 12th Viscount Bourke of Clanmories, co. Mayo [I., 1629] on 27 July 1808.3 He succeeded as the 14th Earl of Clanricarde [I., 1543] on 27 July 1808.1 He succeeded as the 14th Baron of Dunkellin [I., 1543] on 27 July 1808.1 He was educated between 1814 and 1818 at Eton College, Windsor, Berkshire, EnglandG.4 He was created 1st Marquess of Clanricarde [Ireland] on 26 November 1825.1 He held the office of Under-Secretary of State for Foreign Affairs between 1826 and 1827.1 He was created 1st Baron Somerhill, of Somerhill, Kent [U.K.] on 4 July 1826.1,4 He held the office of Captain of the Yeoman of the Guard between 1830 and 1834.1 He was appointed Privy Counsellor (P.C.) on 1 December 1830.1 He held the office of Lord-Lieutenant of County Galway between 1831 and 1874.1 He was appointed Knight, Order of St. Patrick (K.P.) on 19 October 1831.1 He held the office of Ambassador to Russia between 1838 and 1841.1 He held the office of Postmaster-General between 1846 and 1852.1 He held the office of Lord Privy Seal in February 1858, for three weeks.1 He held the office of Vice-Admiral of Connaught.1 He has an extensive biographical entry in the Dictionary of National Biography.5
Children of Sir Ulick John de Burgh, 1st Marquess of Clanricarde and Hon. Harriet Canning
- Lady Elizabeth Joanna de Burgh+6 b. 22 Feb 1826, d. 26 Feb 1854
- Lt.-Col. Ulick Canning de Burgh, Lord Dunkellin2 b. 12 Jul 1827, d. 16 Aug 1867
- Lady Emily Charlotte de Burgh+6 b. 19 Oct 1828, d. 10 Oct 1912
- Lady Catherine de Burgh+6 b. c 1830, d. 9 Apr 1895
- Lady Margaret Anne de Burgh+7 b. c 1831, d. 31 Mar 1888
- Hubert George de Burgh-Canning, 2nd Marquess of Clanricarde b. 30 Nov 1832, d. 12 Apr 1916
- Lady Harriet Augusta de Burgh+6 b. c 1835, d. 18 Jan 1901
- [S6] G.E. Cokayne; with Vicary Gibbs, H.A. Doubleday, Geoffrey H. White, Duncan Warrand and Lord Howard de Walden, editors, The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant, new ed., 13 volumes in 14 (1910-1959; reprint in 6 volumes, Gloucester, U.K.: Alan Sutton Publishing, 2000), volume III, page 237. Hereinafter cited as The Complete Peerage.
- [S6] Cokayne, and others, The Complete Peerage, volume III, page 238.
- [S6] Cokayne, and others, The Complete Peerage, volume III, page 236.
- [S2] Peter W. Hammond, editor, The Complete Peerage or a History of the House of Lords and All its Members From the Earliest Times, Volume XIV: Addenda & Corrigenda (Stroud, Gloucestershire, U.K.: Sutton Publishing, 1998), page 182. Hereinafter cited as The Complete Peerage, Volume XIV.
- [S18] Matthew H.C.G., editor, Dictionary of National Biography on CD-ROM (Oxford, U.K.: Oxford University Press, 1995), de Burgh, Ulick John. Hereinafter cited as Dictionary of National Biography.
- [S21] L. G. Pine, The New Extinct Peerage 1884-1971: Containing Extinct, Abeyant, Dormant and Suspended Peerages With Genealogies and Arms (London, U.K.: Heraldry Today, 1972), page 72. Hereinafter cited as The New Extinct Peerage.
- [S6] Cokayne, and others, The Complete Peerage, volume XIII, page 72.
William de Kyme, 2nd Lord Kyme1
He gained the title of 2nd Lord Kyme.1
- [S2] Peter W. Hammond, editor, The Complete Peerage or a History of the House of Lords and All its Members From the Earliest Times, Volume XIV: Addenda & Corrigenda (Stroud, Gloucestershire, U.K.: Sutton Publishing, 1998), page 25. Hereinafter cited as The Complete Peerage, Volume XIV.
- [S6] G.E. Cokayne; with Vicary Gibbs, H.A. Doubleday, Geoffrey H. White, Duncan Warrand and Lord Howard de Walden, editors, The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant, new ed., 13 volumes in 14 (1910-1959; reprint in 6 volumes, Gloucester, U.K.: Alan Sutton Publishing, 2000), volume III, page 113. Hereinafter cited as The Complete Peerage.
