Honoria Louisa Blake1 
From 4 April 1810, her married name became Cadogan.4 After her marriage, Honoria Louisa Blake was styled as Countess Cadogan on 23 December 1832.
Children of Honoria Louisa Blake and Admiral George Cadogan, 3rd Earl Cadogan
- Horace William Cadogan2 d. 21 Feb 1820
- Lady Augusta Sarah Cadogan2 d. 28 Nov 1882
- Henry Charles Cadogan, 4th Earl Cadogan+2 b. 15 Feb 1812, d. 8 Jun 1873
- Lady Honoria Louisa Cadogan2 b. 1813, d. 19 Jul 1904
- General Hon. Sir George Cadogan+2 b. 2 Dec 1814, d. 27 Jan 1880
- Hon. Frederick William Cadogan+2 b. 16 Dec 1821, d. 30 Nov 1904
- [S37] BP2003 volume 1, page 636. See link for full details for this source. Hereinafter cited as. [S37]
- [S37] BP2003. [S37]
- [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 463. Hereinafter cited as The Complete Peerage.
- [S47] BIFR1976 Blake, page 120. See link for full details for this source. Hereinafter cited as. [S47]
Martha Austin1 
From 1863, her married name became Annesley.2
Children of Martha Austin and Arthur Adolphus Annesley
- Arthur Albert O’Donel Valentia Annesley+1 b. 27 Feb 1867, d. 6 Jan 1947
- Clementine Martha Annesley2 b. 8 Aug 1872, d. 11 Sep 1872
- [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 30. Hereinafter cited as The Complete Peerage, Volume XIV.
- [S8] BP1999 volume 1, page 84. See link for full details for this source. Hereinafter cited as. [S8]
Hon. Frances Bromley1 
Her married name became Cadogan.
Children of Hon. Frances Bromley and Charles Sloane Cadogan, 1st Earl Cadogan
- Charles Henry Sloane Cadogan, 2nd Earl Cadogan2 b. 29 Nov 1749, d. 23 Dec 1832
- Rev. Hon. William Bromley Cadogan2 b. 22 Jan 1751, d. 18 Jan 1797
- Hon. Thomas Cadogan2 b. 7 Feb 1752, d. 1782
- Hon. George Cadogan2 b. 1 Dec 1754, d. 1780
- Hon. Edward Cadogan2 b. 12 Dec 1758, d. 1779
- Henry William Cadogan2 b. 25 Mar 1761, d. 4 Aug 1774
- [S37] BP2003 volume 1, page 636. See link for full details for this source. Hereinafter cited as. [S37]
- [S37] BP2003. [S37]
- [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 462. Hereinafter cited as The Complete Peerage.
Charles Henry Sloane Cadogan, 2nd Earl Cadogan 
He gained the rank of officer in the Army.3 Circa 1807 he was a lunatic.1 He succeeded as the 2nd Viscount Chelsea, co. Middlesex [G.B., 1800] on 3 April 1807.1 He succeeded as the 2nd Earl Cadogan [G.B., 1800] on 3 April 1807.1 He succeeded as the 4th Baron Cadogan of Oakley, co. Buckingham [G.B., 1718] on 3 April 1807.1
- [S37] BP2003 volume 1, page 636. See link for full details for this source. Hereinafter cited as. [S37]
- [S37] BP2003. [S37]
- [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 462. Hereinafter cited as The Complete Peerage.
Mary Churchill1 
After her marriage, Mary Churchill was styled as Baroness Cadogan of Oakley on 10 May 1777. From 10 May 1777, her married name became Cadogan.
Children of Mary Churchill and Charles Sloane Cadogan, 1st Earl Cadogan
- Lady Emily Maud Cadogan+ b. 26 May 1773, d. 22 Dec 1839
- Lt.-Col. Hon. Henry Cadogan5 b. 26 Feb 1780, d. 21 Jun 1813
- Lady Charlotte Cadogan+3 b. 11 Jul 1781, d. 8 Jul 1853
- Admiral George Cadogan, 3rd Earl Cadogan+5 b. 5 May 1783, d. 15 Sep 1864
- Lady Louisa Cadogan6 b. 1 Sep 1787, d. Aug 1843
- Lt.-Col. Hon. Edward Cadogan6 b. 25 Sep 1789, d. 14 May 1851
- [S37] BP2003 volume 1, page 636. See link for full details for this source. Hereinafter cited as. [S37]
- [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 130. 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 I, page 139. Hereinafter cited as The Complete Peerage.
- [S6] Cokayne, and others, The Complete Peerage, volume II, page 462.
- [S37] BP2003. [S37]
- [S134] Heraldic Media Ltd., online http://www.cracroftspeerage.co.uk/, Patrick Cracoft-Brennan (Cracroft Peerage Database v5.2), downloaded 1 November 2006.
Colonel Charles Churchill1 

by Sir Joshua Reynolds, 1755 2
Colonel Charles Churchill was born circa 1720.3 He was the son of Lt.-Gen. Charles Churchill and Anne Oldfield.3 He married Lady Maria Walpole, daughter of Robert Walpole, 1st Earl of Orford and Maria Skerret. He died in 1812.3
He held the office of Member of Parliament (M.P.) for Stockbridge, Hampshire between 1741 and 1747.3 He held the office of Member of Parliament (M.P.) for Great Marlow between 1754 and 1761.3
Children of Colonel Charles Churchill and Lady Maria Walpole
- Sophia Churchill+4 d. 9 Nov 1797
- Charles Churchill2
- Mary Churchill+1 b. 23 Feb 1758
- [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 139. 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.”
- [S130] Wikipedia, online http;//www.wikipedia.org. Hereinafter cited as Wikipedia.
- [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 211. Hereinafter cited as The New Extinct Peerage.
Elizabeth Buttler1 
Her married name became Dormer.
Children of Elizabeth Buttler and General Hon. John Dormer
- Antonia Dormer1 d. 1805
- Joseph Thaddeus Dormer, 11th Baron Dormer of Wyng+1 b. 1 Jun 1790, d. 5 Jul 1871
- [S37] BP2003 volume 1, page 1168. See link for full details for this source. Hereinafter cited as. [S37]
Edmund Austin1
Child of Edmund Austin
- Martha Austin+1 d. 7 Sep 1883
- [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 30. Hereinafter cited as The Complete Peerage, Volume XIV.
William Robert FitzGerald, 2nd Duke of Leinster1 

by Gilbert Stuart 2
William Robert FitzGerald, 2nd Duke of Leinster was born on 12 March 1748/49 at London, EnglandG.1 He was the son of Lt.-Gen. James FitzGerald, 1st Duke of Leinster and Lady Emilia Mary Lennox.1 He married Hon. Emilia Olivia St. George, daughter of St. George Ussher St. George, 1st and last Baron Saint George and Elizabeth Dominick, on 4 November 1775.3 He died on 20 October 1804 at age 55 at Carton HouseG.1
He was educated at Eton College, Windsor, Berkshire, EnglandG.1 He gained the rank of Cornet of Horse in 1765.1 He held the office of Member of Parliament (M.P.) (Whig) for Dublin City between 1767 and 1773.1 He held the office of Sheriff of County Kildare in 1772.1 He held the office of Governor of County Kildare in 1773.1 He succeeded as the 2nd Earl of Offaly [I., 1761] on 19 November 1773.1 He succeeded as the 2nd Marquess of Kildare [I., 1761] on 19 November 1773.1 He succeeded as the 2nd Duke of Leinster [I., 1766] on 19 November 1773.1 He succeeded as the 7th Baron Offaly [I., 1599] on 19 November 1773.1 He succeeded as the 21st Earl of Kildare [I., 1316] on 19 November 1773.1 He succeeded as the 2nd Viscount Leinster of Taplow, co. Buckingham [G.B., 1747] on 19 November 1773.1 He was appointed Privy Counsellor (P.C.) [Ireland] in 1777.1 He was appointed Knight, Order of St. Patrick (K.P.) in 1783.3,1 He held the office of Master of the Rolls [Ireland] between 1788 and 1789.1 He was Clerk of the Crown and Hanaper [Ireland] between 1795 and 1797.1 He has an extensive biographical entry in the Dictionary of National Biography.4
Children of William Robert FitzGerald, 2nd Duke of Leinster and Hon. Emilia Olivia St. George
- Lady Isabella Charlotte FitzGerald+5
- Lady Elizabeth FitzGerald+6 d. 28 Feb 1857
- Lady Mary Rebecca FitzGerald+ b. 6 May 1777, d. 28 Sep 1842
- Lady Emily Elizabeth FitzGerald+1 b. 13 May 1778, d. 9 Feb 1856
- George FitzGerald, Marquess of Kildare1 b. 20 Jun 1783, d. Feb 1784
- Lady Cecilia Olivia Geraldine FitzGerald+1 b. 3 Mar 1786, d. 27 Jul 1863
- Lady Olivia Letitia Catherine FitzGerald+1 b. 9 Sep 1787, d. 28 Feb 1858
- Augustus Frederick FitzGerald, 3rd Duke of Leinster+1 b. 21 Aug 1791, d. 10 Oct 1874
- Lord William Charles O’Brien FitzGerald+ b. 4 Jan 1793, d. 8 Dec 1864
- [S37] BP2003 volume 2, page 2299. See link for full details for this source. Hereinafter cited as. [S37]
- [S3409] Caroline Maubois, “re: Penancoet Family,” e-mail message to BENR, 2 December 2008. Hereinafter cited as “re: Penancoet Family.”
- [S47] BIFR1976 page 1157. See link for full details for this source. Hereinafter cited as. [S47]
- [S18] Matthew H.C.G., editor, Dictionary of National Biography on CD-ROM (Oxford, U.K.: Oxford University Press, 1995). Hereinafter cited as Dictionary of National Biography.
- [S37] BP2003. [S37]
- [S28] L. G. Pine, editor, Burke’s Genealogical and Heraldic History of the Peerage, Baronetage and Knightage, 99th edition (London, U.K.: Burke’s Peerage Ltd, 1949), page 116. Hereinafter cited as Burkes Peerage and Baronetage, 99th ed.
Hon. Emilia Olivia St. George1 

by Hugh Douglas Hamilton 2
Hon. Emilia Olivia St. George was born in 1753.1 She was the daughter of St. George Ussher St. George, 1st and last Baron Saint George and Elizabeth Dominick.1 She married William Robert FitzGerald, 2nd Duke of Leinster, son of Lt.-Gen. James FitzGerald, 1st Duke of Leinster and Lady Emilia Mary Lennox, on 4 November 1775.1 She died on 23 June 1798 at London, EnglandG.1
From 4 November 1775, her married name became FitzGerald. After her marriage, Hon. Emilia Olivia St. George was styled as Duchess of Leinster on 4 November 1775.
Children of Hon. Emilia Olivia St. George and William Robert FitzGerald, 2nd Duke of Leinster
- Lady Isabella Charlotte FitzGerald+
- Lady Elizabeth FitzGerald+ d. 28 Feb 1857
- Lady Mary Rebecca FitzGerald+ b. 6 May 1777, d. 28 Sep 1842
- Lady Emily Elizabeth FitzGerald+3 b. 13 May 1778, d. 9 Feb 1856
- George FitzGerald, Marquess of Kildare3 b. 20 Jun 1783, d. Feb 1784
- Lady Cecilia Olivia Geraldine FitzGerald+3 b. 3 Mar 1786, d. 27 Jul 1863
- Lady Olivia Letitia Catherine FitzGerald+3 b. 9 Sep 1787, d. 28 Feb 1858
- Augustus Frederick FitzGerald, 3rd Duke of Leinster+3 b. 21 Aug 1791, d. 10 Oct 1874
- Lord William Charles O’Brien FitzGerald+ b. 4 Jan 1793, d. 8 Dec 1864
- [S47] BIFR1976 page 1157. See link for full details for this source. Hereinafter cited as. [S47]
- [S3409] Caroline Maubois, “re: Penancoet Family,” e-mail message to BENR, 2 December 2008. Hereinafter cited as “re: Penancoet Family.”
- [S37] BP2003 volume 2, page 2299. See link for full details for this source. Hereinafter cited as. [S37]