Robert Cedric Thesiger1
He was educated at Downside School, Bath, Somerset, EnglandG.1 He graduated from Exeter University, Exeter, Devon, EnglandG, with a Bachelor of Arts (B.A.)1
Georgina Mary Thesiger1
From 1993, her married name became Dowden.
Children of Georgina Mary Thesiger and David Charles Dowden
- Charles Edward Dowden2 b. 20 Mar 1995
- William George Dowden2 b. 13 Oct 1997
Lt.-Col. Ronnie Dowden1 
Child of Lt.-Col. Ronnie Dowden
David Charles Dowden1
Children of David Charles Dowden and Georgina Mary Thesiger
- Charles Edward Dowden2 b. 20 Mar 1995
- William George Dowden2 b. 13 Oct 1997
Charles Edward Dowden1
William George Dowden1
Cedric Paul Thesiger1 
He was educated at Eton College, Windsor, Berkshire, EnglandG.1 He graduated in 1938 with a Bachelor of Arts (B.A.) (Architecture.)1
Children of Cedric Paul Thesiger and Barbara Cecilia Jarrett
- Peter Hubert Thesiger+2 b. 2 Dec 1943
- Richard Paul Thesiger+2 b. 25 Feb 1945
- John Bede Thesiger+2 b. 5 Jun 1947
Major Hubert Cecil Delacour Jarrett1
Child of Major Hubert Cecil Delacour Jarrett
- Barbara Cecilia Jarrett+2 d. 27 Aug 2006
Barbara Cecilia Jarrett1 
From 9 May 1942, her married name became Thesiger.1 She lived in 2003 at 1/31 Dominion Street, Takapuna, Auckland, New ZealandG.1
Children of Barbara Cecilia Jarrett and Cedric Paul Thesiger
- Peter Hubert Thesiger+2 b. 2 Dec 1943
- Richard Paul Thesiger+2 b. 25 Feb 1945
- John Bede Thesiger+2 b. 5 Jun 1947
- [S37] BP2003 volume 1, page 760. 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.
Peter Hubert Thesiger1
He was educated at Oratory School, South Kensington, London, EnglandG.1 He graduated from Simon Fraser UniversityG in 1977 with a Master of Business Administration (M.B.A.)1 He lived in 2003 at 4934–2A Avenue, Delta, British Columbia, CanadaG.1
Children of Peter Hubert Thesiger and Jill Patricia Worthy
- James Edward Thesiger2 b. 1980
- Julia Mary Thesiger2 b. 29 Apr 1983
