Ewan Victor William Sefton-Smith1
He was educated at Eton College, Windsor, Berkshire, England.1
Francis Sefton-Smith1 
Susan Jane Sefton-Smith1
From 21 September 1970, her married name became Deen. From 1976, her married name became McClue.2 From 1987, her married name became Hyman.2 She lived in 2003 at 101 Flood Street, London, England.1
Children of Susan Jane Sefton-Smith and John Leslie McClue
- Linsey Jane McClue2 b. 1976
- Laura Leslie McClue2 b. 1977
Steven Graig Thompsen1
Child of Steven Graig Thompsen
- [S1122] Peerage News, online http://peeragenews.blogspot.co.nz/. Hereinafter cited as Peerage News.
Linsey Jane McClue1
Laura Leslie McClue1
Lucy Annabelle Sefton-Smith1
From 30 April 1977, her married name became Moore. She lived in 2003 at 11 Chelsea Park Gardens, London, England.1
Children of Lucy Annabelle Sefton-Smith and Richard Hobart John de Courcy Moore
Hobart Harold de Courcy Moore1
Child of Hobart Harold de Courcy Moore
- [S37] BP2003 volume 3, page 3409. See link for full details for this source. Hereinafter cited as. [S37]
- [S466] Notices, The Telegraph, London, UK. Hereinafter cited as The Telegraph.
- [S7732] Geni, online https://www.geni.com. Hereinafter cited as Geni.
- [S37] BP2003. [S37]
Richard Hobart John de Courcy Moore1
Children of Richard Hobart John de Courcy Moore and Lucy Annabelle Sefton-Smith
Francis Richard Hobart de Courcy Moore1
