Frederick David Henry de Rune Barclay1 
- [S37] BP2003 volume 1, page 252. See link for full details for this source. Hereinafter cited as. [S37]
David Hamilton Dashwood Barclay1 
- [S37] BP2003 volume 1, page 252. See link for full details for this source. Hereinafter cited as. [S37]
Theresa Marie Camilla Pouget1
From 11 October 1926, her married name became Barclay.1 From circa 1935, her married name became Bourg.1
- [S37] BP2003 volume 1, page 252. See link for full details for this source. Hereinafter cited as. [S37]
E. Pouget1
Child of E. Pouget
- [S37] BP2003 volume 1, page 252. See link for full details for this source. Hereinafter cited as. [S37]
Baron de Pierre Bourg1
- [S37] BP2003 volume 1, page 252. See link for full details for this source. Hereinafter cited as. [S37]
Rt. Hon. Sir Colville Adrian de Rune Barclay1 
He held the office of Envoy Extraordinary and Minister Plenipotentiary to Sweden between 1919 and 1924.1 He was appointed Commander, Order of the British Empire (C.B.E.)1 He was appointed Member, Royal Victorian Order (M.V.O.)1 He was appointed Privy Counsellor (P.C.)1 He was appointed Knight Commander, Order of St. Michael and St. George (K.C.M.G.)1 He was appointed Companion, Order of the Bath (C.B.)1 He held the office of Envoy Extraordinary and Minister Plenipotentiary to Hungary between 1924 and 1928.1 He held the office of Ambassador Extraordinary and Minister Plenipotentiary to Portugal between 1928 and 1929.1
Children of Rt. Hon. Sir Colville Adrian de Rune Barclay and Sarita Enriqueta Ward
- Sir Colville Herbert Sanford Barclay of Pierston, 14th Bt.+1 b. 7 May 1913, d. 1 Sep 2010
- Cecil Edward Sanford Barclay+1 b. 13 Nov 1914, d. 25 Jul 2009
- Major Robert Charles Sanford Barclay+1 b. 14 Feb 1918, d. 24 Jan 2001
- [S37] BP2003 volume 1, page 252. See link for full details for this source. Hereinafter cited as. [S37]
Sarita Enriqueta Ward1
From 10 April 1912, her married name became Barclay.1 From 29 July 1931, her married name became Vansittart.1 After her marriage, Sarita Enriqueta Ward was styled as Baroness Vansittart on 3 July 1941.
Children of Sarita Enriqueta Ward and Rt. Hon. Sir Colville Adrian de Rune Barclay
- Sir Colville Herbert Sanford Barclay of Pierston, 14th Bt.+1 b. 7 May 1913, d. 1 Sep 2010
- Cecil Edward Sanford Barclay+1 b. 13 Nov 1914, d. 25 Jul 2009
- Major Robert Charles Sanford Barclay+1 b. 14 Feb 1918, d. 24 Jan 2001
- [S37] BP2003 volume 1, page 252. See link for full details for this source. Hereinafter cited as. [S37]
Robert Gilbert Vansittart, 1st and last Baron Vansittart1 
He was educated at Eton College, Windsor, Berkshire, EnglandG.4 He was with HM Diplomatic Service between 1902 and 1941.4 He was appointed Member, Royal Victorian Order (M.V.O.) in 1906.1 He was appointed Companion, Order of St. Michael and St. George (C.M.G.) in 1920.4 He was Secretary of Marquess Curzon, Secretary of State, Foreign Affairs between 1920 and 1924.4 He was appointed Companion, Order of the Bath (C.B.) in 1927.4 He held the office of Assistant Under Secretary of State, Foreign Affairs between 1928 and 1930.4 He was appointed Knight Commander, Order of the Bath (K.C.B.) in 1929.4 He held the office of Permanent Under Secretary of State, Foreign Affairs between 1930 and 1938.4 He was appointed Knight Grand Cross, Order of St. Michael and St. George (G.C.M.G.) in 1931.1 He wrote the book Black Record.4 He was appointed Knight Grand Cross, Order of the Bath (G.C.B.) in 1938.1 He was Chief Diplomatic Advisor to the Foreign Secretary between 1938 and 1941.4 He was appointed Privy Cousnellor (P.C.) in 1940.4 He was created 1st Baron Vansittart, of Denham, co. Buckingham [U.K.] on 3 July 1941.4
Child of Robert Gilbert Vansittart, 1st and last Baron Vansittart and Gladys Heppenheimer
- Hon. Cynthia Vansittart+4 b. 31 Dec 1922, d. 29 Mar 2023

- [S37] BP2003 volume 1, page 252. 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.”
- [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 280. Hereinafter cited as The New Extinct Peerage.
- [S21] L. G. Pine, The New Extinct Peerage, page 281.
Herbert Ward1
Child of Herbert Ward
- [S37] BP2003 volume 1, page 252. See link for full details for this source. Hereinafter cited as. [S37]
Sir Patrick Berkeley1
Children of Sir Patrick Berkeley
- [S37] BP2003 volume 1, page 252. See link for full details for this source. Hereinafter cited as. [S37]