Hon. Katherine Frances Stuart1 
Jean Barailhon1
Child of Jean Barailhon and Claudine Gouyn
Solomon Robert Guggenheim1

Solomon Robert Guggenheim lived at Trillora Court, Port Washington, Long Island, New York, U.S.A.G.1
Child of Solomon Robert Guggenheim
- Eleanor May Guggenheim+3 d. 1992
Eleanor May Guggenheim1 
From 16 December 1920, her married name became Stuart. After her marriage, Eleanor May Guggenheim was styled as Countess Castle Stewart on 7 November 1921.
Children of Eleanor May Guggenheim and Arthur Stuart, 7th Earl Castle Stewart
- David Andrew Noel Stuart, Viscount Stuart2 b. 7 Oct 1921, d. 10 Nov 1942
- Robert John Ochiltree Stuart, Viscount Stuart2 b. 12 Dec 1923, d. 17 Sep 1944
- Arthur Patrick Avondale Stuart, 8th Earl Castle Stewart+2 b. 18 Aug 1928, d. 21 Nov 2023
- Hon. Simon Walter Erskine Stuart+2 b. 22 Aug 1930, d. 19 Sep 2002
- [S37] BP2003 volume 1, page 715. See link for full details for this source. Hereinafter cited as. [S37]
- [S37] BP2003. [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 157. Hereinafter cited as The Complete Peerage, Volume XIV.
David Andrew Noel Stuart, Viscount Stuart1

He was styled as Viscount Stuart between November 1921 and 1942.1 He was educated at Eton College, Windsor, Berkshire, EnglandG.1 He fought in the Second World War.1 He gained the rank of Lieutenant in the 11th Hussars, Royal Armoured Corps.1
Robert John Ochiltree Stuart, Viscount Stuart1

He was educated at Eton College, Windsor, Berkshire, EnglandG.1 He fought in the Second World War.1 He gained the rank of 2nd Lieutenant in the 9th Queen’s Royal Lancers, Royal Armoured Corps.1
Claudine Gouyn1
Child of Claudine Gouyn and Jean Barailhon
Hon. Simon Walter Erskine Stuart1 
He was educated at Eton College, Windsor, Berkshire, EnglandG.1 He graduated from Trinity College, Cambridge University, Cambridge, Cambridgeshire, EnglandG, in 1953 with a Bachelor of Arts (B.A.)1 He gained the rank of 2nd Lieutenant in the Scots Guards.1 He graduated from Trinity College, Cambridge University, Cambridge, Cambridgeshire, EnglandG, with a Master of Arts (M.A.)1 He was an assistant master between 1963 and 1978 at King’s School, Canterbury, Kent, EnglandG.1 He was a writer.1
Children of Hon. Simon Walter Erskine Stuart and Deborah Jane Mounsey
- Thomas Harry Erskine Stuart2 b. 1974
- Corin Edward Leveson Stuart2 b. 1975
- Tristram James Avondale Stuart2 b. 12 Mar 1977
Michael J. Mounsey1
Child of Michael J. Mounsey
Deborah Jane Mounsey1
From 26 May 1973, her married name became Stuart. She lived in 2003 at Windyridge, Wych Cross, Forest Row, Sussex, EnglandG.1
Children of Deborah Jane Mounsey and Hon. Simon Walter Erskine Stuart
- Thomas Harry Erskine Stuart2 b. 1974
- Corin Edward Leveson Stuart2 b. 1975
- Tristram James Avondale Stuart2 b. 12 Mar 1977