Sir Rudolph Edgar Francis de Trafford, 5th Bt.1 
He was educated at Downside School, Bath, Somerset, EnglandG.1 He fought in the First World War, where he was mentioned in despatches twice.1 He graduated from Trinity College, Cambridge University, Cambridge, Cambridgeshire, EnglandG, in 1915 with a Bachelor of Arts (B.A.)1 He was director of the Royal Exchange.1 He succeeded as the 5th Baronet de Trafford, of Trafford Park, Lancashire [U.K., 1841] on 10 January 1929.2 He was appointed Officer, Order of the British Empire (O.B.E.)1
Child of Sir Rudolph Edgar Francis de Trafford, 5th Bt. and June Isabel Chaplin
- Sir Dermot Humphrey de Trafford, 6th Bt.+1 b. 19 Jan 1925, d. 22 Jan 2010
Lt.-Col. Reginald Spencer Chaplin1 
He gained the rank of Captain in the 10th Royal Hussars.2
Child of Lt.-Col. Reginald Spencer Chaplin and Henrietta Maude Dunsmuir
- June Isabel Chaplin+1 b. 1899, d. 1977
- [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 50. Hereinafter cited as The Complete Peerage, Volume XIV.
- [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.”
Cecilia Margaret Hamilton-Wedderburn1 
After her marriage, Cecilia Margaret Hamilton-Wedderburn was styled as Countess Cadogan on 13 January 1961. From 13 January 1961, her married name became Cadogan.
Lt.-Col. Henry Kellerman Hamilton-Wedderburn1
He gained the rank of Lieutenant in the Scots Gurads.2 He was appointed Officer, Order of the British Empire (O.B.E.)1
Child of Lt.-Col. Henry Kellerman Hamilton-Wedderburn
- Cecilia Margaret Hamilton-Wedderburn3 d. 31 Mar 1999
Child of Lt.-Col. Henry Kellerman Hamilton-Wedderburn and Aileen Mary Vincent
- Noreen Mary Hamilton-Wedderburn4 b. 29 Jan 1913, d. 24 Feb 1990
- [S37] BP2003 volume 1, page 638. See link for full details for this source. Hereinafter cited as. [S37]
- [S142] Bernard, Sir Burke, editor, Burke’s genealogical and heraldic history of the landed gentry of Ireland, 3rd ed. (London, U.K.: Burkes Peerage Ltd, 1912), page 729. Hereinafter cited as Landed Gentry of Ireland.
- [S37] BP2003. [S37]
- [S9221] Anonymous, “re: anon,” family provided evidence then verified by subsequent research and verification by BENR (101053), 24 December 2020. Hereinafter cited as “re: anon.”
Charles Gerald John Cadogan, 8th Earl Cadogan 
He was educated at Eton College, Windsor, Berkshire, EnglandG.1 He gained the rank of 2nd Lieutenant in the Coldstream Guards.1 He was chairman of the Chelsea Football Club between 1963 and 1982.1 He became a Liveryman, Air Pilots’ and Navigators’ Guild.1 He held the office of Deputy Lieutenant (D.L.) of Greater London in 1996.1 He succeeded as the 6th Baron Oakley of Caversham, co. Oxford [U.K., 1831] on 4 July 1997.1 He succeeded as the 8th Viscount Chelsea, co. Middlesex [G.B., 1800] on 4 July 1997.2 He succeeded as the 8th Earl Cadogan [G.B., 1800] on 4 July 1997.1 He succeeded as the 10th Baron Cadogan of Oakley, co. Buckingham [G.B., 1718] on 4 July 1997.1 He lived in 2003 at The Cadogan Office, 18 Cadogan Gardens, London, EnglandG.1 He was appointed Knight Commander, Order of the British Empire (K.B.E.) in 2012.3
Children of Charles Gerald John Cadogan, 8th Earl Cadogan and Lady Philippa Dorothy Bluet Wallop
- Hon. Anna-Karina Cadogan+2 b. 4 Feb 1964
- Edward Charles Cadogan, 9th Earl Cadogan+2 b. 10 May 1966
- Hon. William John Cadogan+2 b. 9 Nov 1973
Lady Sarah Primrose Beatrix Cadogan1 
From 18 November 1958, her married name became Cecil.2 After her marriage, Lady Sarah Primrose Beatrix Cadogan was styled as Baroness Rockley on 26 January 1976. She lived in 2003 at Lytchett Heath, Poole, Dorset, EnglandG.1
Children of Lady Sarah Primrose Beatrix Cadogan and James Hugh Cecil, 3rd Baron Rockley
- Hon. Caroline Anne Cecil+2 b. 27 Mar 1960
- Anthony Robert Cecil, 4th Baron Rockley+2 b. 29 Jul 1961
- Hon. Camilla Sarah Cecil2 b. 8 Feb 1965
Lady Daphne Magdalen Cadogan1
Her married name became Bailey.
Children of Lady Daphne Magdalen Cadogan and David Malcolm Graham Bailey
- Alexander Graham Bailey+1 b. 21 Sep 1962
- Kevin David Bailey+1 b. 6 Apr 1964
- Leonie Daphne Bailey+1 b. 21 Aug 1965
Lady Caroline Anne Cadogan1 
From 22 April 1965, her married name became Foster. In 1981 her name was legally changed to Caroline Anne Tahany.1
Children of Lady Caroline Anne Cadogan and Euan Woodroffe Foster
- Guy Peter Woodroffe Foster+2 b. 10 May 1968
- Hugo Woodroffe Foster2 b. 16 May 1971
- [S37] BP2003 volume 1, page 638. See link for full details for this source. Hereinafter cited as. [S37]
- [S37] BP2003. [S37]
- [S1122] Peerage News, online http://peeragenews.blogspot.co.nz/. Hereinafter cited as Peerage News.
David Malcolm Graham Bailey1
Children of David Malcolm Graham Bailey and Lady Daphne Magdalen Cadogan
- Alexander Graham Bailey+1 b. 21 Sep 1962
- Kevin David Bailey+1 b. 6 Apr 1964
- Leonie Daphne Bailey+1 b. 21 Aug 1965
Ronald Graham Bailey1
Children of Ronald Graham Bailey