Lady Elizabeth Christiana Hervey1,2 
![]()
![]()
![]()
Lady Elizabeth Christiana Hervey was born on 13 May 1759.2 She was the daughter of Rt. Rev. Frederick Augustus Hervey, 4th Earl of Bristol and Elizabeth Davers.1 She married, firstly, John Thomas Foster, son of Reverend Thomas Foster and Dorothy Burgh, on 2 April 1776.1 She married, secondly, William Cavendish, 5th Duke of Devonshire, son of William Cavendish, 4th Duke of Devonshire and Charlotte Elizabeth Boyle, Baroness Clifford, on 19 October 1809.1 She died on 20 March 1824 at age 64.1
From 2 April 1776, her married name became Foster. From 19 October 1809, her married name became Cavendish. After her marriage, Lady Elizabeth Christiana Hervey was styled as Duchess of Devonshire on 19 October 1809. She has an extensive biographical entry in the Dictionary of National Biography.4
![]()
Children of Lady Elizabeth Christiana Hervey and John Thomas Foster
- Frederick Thomas Foster2 b. 3 Oct 1777, d. 1853
- Elizabeth Foster2 b. 17 Nov 1778, d. 25 Nov 1778
- Sir Augustus John Foster, 1st Bt.+5 b. Dec 1780, d. 1 Aug 1848
Children of Lady Elizabeth Christiana Hervey and William Cavendish, 5th Duke of Devonshire
- Caroline Rosalie Adelaide St. Jules2 b. 1785, d. 1862
- Admiral Sir Augustus William James Clifford, 1st Bt.+2 b. 26 May 1788, d. 8 Feb 1877
- [S37] BP2003 volume 1, page 1128. See link for full details for this source. Hereinafter cited as. [S37]
- [S130] Wikipedia, online http;//www.wikipedia.org. Hereinafter cited as Wikipedia.
- [S3409] Caroline Maubois, “re: Penancoet Family,” e-mail message to BENR, 2 December 2008. Hereinafter cited as “re: Penancoet Family.”
- [S18] Matthew H.C.G., editor, Dictionary of National Biography on CD-ROM (Oxford, U.K.: Oxford University Press, 1995), Cavendish, Elizabeth. Hereinafter cited as Dictionary of National Biography.
- [S37] BP2003. [S37]
John Thomas Foster 
He held the office of Member of Parliament (M.P.) for Dunleer between 1776 and 1783.1 He held the office of Member of Parliament (M.P.) for Ennis, County Clare between 1783 and 1790.1
Children of John Thomas Foster and Lady Elizabeth Christiana Hervey
- Frederick Thomas Foster3 b. 3 Oct 1777, d. 1853
- Elizabeth Foster3 b. 17 Nov 1778, d. 25 Nov 1778
- Sir Augustus John Foster, 1st Bt.+1 b. Dec 1780, d. 1 Aug 1848
Simon David Ramsay, Lord Ramsay1
He was educated at Harrow School, Harrow, London, EnglandG.1 He held the office of Page of Honour to HM Queen Elizabeth II before 1996.1 He was styled as Lord Ramsay in 1999.1
Child of Simon David Ramsay, Lord Ramsay and Kaitlin Marie Kubinsky
- William Fox Ramsay2 b. 25 Aug 2017
Lord Alwyne Frederick Compton1 
He gained the rank of Lieutenant in the 10th Hussars and Grenadier Guards.2 He fought in the Sudan CAmpaign in 1884.2 He gained the rank of Lieutenant-Colonel in the Bedfordshire Yeomanry.2 He held the office of Deputy Lieutenant (D.L.) of Argyllshire.2 He held the office of Member of Parliament (M.P.) for Bedford North between 1895 and 1906.2 He fought in the Boer War in 1900.2 He was awarded the Distinguished Service Order (D.S.O.)1 He held the office of Member of Parliament (M.P.) for Brentwood between 1910 and 1911.2
Children of Lord Alwyne Frederick Compton and Mary Evelyn Violet Vyner
- Major Edward Robert Francis Compton+2 b. 14 Dec 1891, d. 7 Feb 1977
- Commander Clare George Vyner+2 b. 31 Mar 1894, d. 29 Oct 1989
Catherine Seton1
- [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 I, page 156. Hereinafter cited as The Complete Peerage.
Lord Richard Cavendish1 
- [S37] BP2003 volume 1, page 1128. See link for full details for this source. Hereinafter cited as. [S37]
George Augustus Henry Cavendish, 1st Earl of Burlington1 
He held the office of Member of Parliament (M.P.) (Whig) for Knaresborough between 1775 and 1780.1 He held the office of Member of Parliament (M.P.) (Whig) for Derby between 1780 and 1796.1 He held the office of Member of Parliament (M.P.) (Whig) for Derbyshire between 1797 and 1831.1 He was awarded the honorary degree of Doctor of Law (LL.D.) by Cambridge University, Cambridge, Cambridgeshire, EnglandG, on 2 June 1811.1 He was created 1st Baron Cavendish of Keighley, co. York [U.K.] on 10 September 1831.1 He was created 1st Earl of Burlington [U.K.] on 10 September 1831.1
Children of George Augustus Henry Cavendish, 1st Earl of Burlington and Lady Elizabeth Compton
- Lady Caroline Cavendish3 d. 9 Jan 1867
- Hon. William Cavendish+2 b. 10 Jan 1783, d. 15 Jan 1812
- George Henry Compton Cavendish4 b. 14 Oct 1784, d. 22 Jan 1809
- Lady Anne Cavendish+3 b. 11 Nov 1787, d. 27 May 1871
- General Hon. Henry Frederick Compton Cavendish+4 b. 5 Nov 1789, d. 5 Apr 1873
- Charles Compton Cavendish, 1st Baron Chesham+4 b. 28 Aug 1793, d. 10 Nov 1863
- [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 II, page 433. Hereinafter cited as The Complete Peerage.
- [S6] Cokayne, and others, The Complete Peerage, volume II, page 434.
- [S37] BP2003 volume 1, page 1130. See link for full details for this source. Hereinafter cited as. [S37]
- [S37] BP2003. [S37]
Lady Elizabeth Compton1 
by Joshua Reynolds 2
![]()
![]()
Lady Elizabeth Compton was born on 25 June 1760.1 She was the daughter of Charles Compton, 7th Earl of Northampton and Lady Anne Somerset.1 She married George Augustus Henry Cavendish, 1st Earl of Burlington, son of William Cavendish, 4th Duke of Devonshire and Charlotte Elizabeth Boyle, Baroness Clifford, on 27 February 1782 at Trinity Chapel, Compton Street, St. George Hanover Square, London, EnglandG.1 She died on 7 April 1835 at age 74 at Compton Place, Eastbourne, Sussex, EnglandG.1
Her married name became Cavendish. After her marriage, Lady Elizabeth Compton was styled as Countess of Burlington on 10 September 1831.
Children of Lady Elizabeth Compton and George Augustus Henry Cavendish, 1st Earl of Burlington
- Lady Caroline Cavendish3 d. 9 Jan 1867
- Hon. William Cavendish+1 b. 10 Jan 1783, d. 15 Jan 1812
- George Henry Compton Cavendish4 b. 14 Oct 1784, d. 22 Jan 1809
- Lady Anne Cavendish+3 b. 11 Nov 1787, d. 27 May 1871
- General Hon. Henry Frederick Compton Cavendish+4 b. 5 Nov 1789, d. 5 Apr 1873
- Charles Compton Cavendish, 1st Baron Chesham+5 b. 28 Aug 1793, d. 10 Nov 1863
- [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 II, page 434. Hereinafter cited as The Complete Peerage.
- [S3409] Caroline Maubois, “re: Penancoet Family,” e-mail message to BENR, 2 December 2008. Hereinafter cited as “re: Penancoet Family.”
- [S37] BP2003 volume 1, page 1130. See link for full details for this source. Hereinafter cited as. [S37]
- [S37] BP2003. [S37]
- [S6] Cokayne, and others, The Complete Peerage, volume III, page 162.
Hon. William Cavendish1 
Hon. William Cavendish was born on 10 January 1783.3 He was the son of George Augustus Henry Cavendish, 1st Earl of Burlington and Lady Elizabeth Compton.1 He married Hon. Louisa O’Callaghan, daughter of Cornelius O’Callaghan, 1st Baron Lismore of Shanbally and Frances Ponsonby, on 18 July 1807 at Charles Street, Berkeley Square, London, England.4,5 He died on 15 January 1812 at age 29 at Holker Park, Lancashire, England.1,5
He held the office of Member of Parliament (M.P.)3
Children of Hon. William Cavendish and Hon. Louisa O’Callaghan
- William Cavendish, 7th Duke of Devonshire+1 b. 27 Apr 1808, d. 21 Dec 1891
- Lady Fanny Cavendish+3 b. c 1809, d. 30 Dec 1885
- Lord George Henry Cavendish+3 b. 19 Aug 1810, d. 23 Sep 1880
- Lord Richard Cavendish3 b. 3 Jul 1812, d. 19 Nov 1873
- [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 II, page 434. Hereinafter cited as The Complete Peerage.
- [S3409] Caroline Maubois, “re: Penancoet Family,” e-mail message to BENR, 2 December 2008. Hereinafter cited as “re: Penancoet Family.”
- [S37] BP2003 volume 1, page 1128. See link for full details for this source. Hereinafter cited as. [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 180. Hereinafter cited as The New Extinct Peerage.
- [S9902] Jean Goodman and David Williamson, Debrett’s Book of the Royal Engagement (London: Debrett’s Peerage, 1986), page 117. Hereinafter cited as Debrett’s Book of the Royal Engagement.
Hon. Louisa O’Callaghan1 
Her married name became Cavendish.
Children of Hon. Louisa O’Callaghan and Hon. William Cavendish
- William Cavendish, 7th Duke of Devonshire+1 b. 27 Apr 1808, d. 21 Dec 1891
- Lady Fanny Cavendish+5 b. c 1809, d. 30 Dec 1885
- Lord George Henry Cavendish+5 b. 19 Aug 1810, d. 23 Sep 1880
- Lord Richard Cavendish5 b. 3 Jul 1812, d. 19 Nov 1873
- [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 II, page 434. Hereinafter cited as The Complete Peerage.
- [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 117. Hereinafter cited as Debrett’s Book of the Royal Engagement.
- [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 180. Hereinafter cited as The New Extinct Peerage.
- [S37] BP2003 volume 1, page 1128. See link for full details for this source. Hereinafter cited as. [S37]
