Sir Brent Spencer1 
He held the office of Member of Parliament (M.P.)2
- [S37] BP2003 volume 2, page 1529. See link for full details for this source. Hereinafter cited as. [S37]
- [S6289] The History of Parliament Online, online http://www.historyofparliamentonline.org. Hereinafter cited as History of Parliament.
Jane Charlotte Spencer1 
From 20 July 1776, her married name became Canning.
Child of Jane Charlotte Spencer and Paul Canning
- George Canning, 1st Baron Garvagh+2 b. 15 Nov 1778, d. 20 Aug 1840
Laetitia van Lewen1 

at the Hellfire Club 1
Laetitia van Lewen was born circa 1709 at County Cork, IrelandG.1 She was the daughter of Dr. John van Lewin.1 She married Reverend Matthew Pilkington on 31 May 1725 at Dublin, County Dublin, IrelandG.1 She and Reverend Matthew Pilkington were divorced in 1738.1 She died on 29 July 1750 at Dublin, County Dublin, IrelandG.1
From 31 May 1725, her married name became Pilkington.1 She wrote the book The Memoirs of Mrs Laetitia Pilkington.1
Child of Laetitia van Lewen and Reverend Matthew Pilkington
- John Carteret Pilkington+1 b. 1 May 1730
- [S2226] Lawless Bethune, “re: Bethune Family,” e-mail message to www.peerage.org.uk, 27 March 2007. Hereinafter cited as “re: Bethune Family.”
Augustus Nicholas Burke1 
He was a painter.1
- [S130] Wikipedia, online http;//www.wikipedia.org. Hereinafter cited as Wikipedia.
Lady Georgiana Stewart1 
From 13 July 1803, her married name became Canning.
Charles Henry Spencer George Canning, 2nd Baron Garvagh1 
He succeeded as the 2nd Baron Garvagh, of Garvagh, co. Londonderry [I., 1818] on 20 August 1840.1 He gained the rank of Captain in the 10th Hussars.1 He held the office of Justice of the Peace (J.P.)1 He held the office of Deputy Lieutenant (D.L.)1
Children of Charles Henry Spencer George Canning, 2nd Baron Garvagh and Cecilia Susannah Ruggles-Brise
- Charles John Spencer George Canning, 3rd Baron Garvagh+2 b. 2 Jun 1852, d. 7 Feb 1915
- Major Hon. Conway Stratford George Canning2 b. 15 Dec 1854, d. 19 Feb 1926
Hon. Albert Stratford George Canning1 
He was an author.1 He held the office of Deputy Lieutenant (D.L.) of County Londonderry.1 He held the office of Justice of the Peace (J.P.) for County Down.1 He held the office of Justice of the Peace (J.P.) for County Londonderry.1 He lived at the Lodge, Rostrevor, County Down, IrelandG.1
Hon. Emmeline Rosabelle Canning1 
Cecilia Susannah Ruggles-Brise1 
After her marriage, Cecilia Susannah Ruggles-Brise was styled as Baroness Garvagh on 10 June 1851. From 10 June 1851, her married name became Canning.
Children of Cecilia Susannah Ruggles-Brise and Charles Henry Spencer George Canning, 2nd Baron Garvagh
- Charles John Spencer George Canning, 3rd Baron Garvagh+3 b. 2 Jun 1852, d. 7 Feb 1915
- Major Hon. Conway Stratford George Canning3 b. 15 Dec 1854, d. 19 Feb 1926
- [S37] BP2003 volume 2, page 1529. 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.”
- [S37] BP2003. [S37]
Charles John Spencer George Canning, 3rd Baron Garvagh1 
He succeeded as the 3rd Baron Garvagh, of Garvagh, co. Londonderry [I., 1818] on 7 May 1871.1 He graduated from Christ Church, Oxford University, Oxford, Oxfordshire, EnglandG, in 1874 with a Bachelor of Arts (B.A.)1 He graduated from Christ Church, Oxford University, Oxford, Oxfordshire, EnglandG, in 1877 with a Master of Arts (M.A.)1 He held the office of Justice of the Peace (J.P.) for County Londonderry.1 He held the office of Deputy Lieutenant (D.L.) of County Londonderry.1
Child of Charles John Spencer George Canning, 3rd Baron Garvagh and Florence Alice de Bretton
- Leopold Ernest Stratford George Canning, 4th Baron Garvagh+2 b. 21 Jul 1878, d. 16 Jul 1956