Rhona Frances Colquhoun1
Alastair Peter Colquhoun1 
He was educated at Eton College, Windsor, Berkshire, EnglandG.1 He was educated at Royal Military Academy, Sandhurst, Berkshire, EnglandG.1 He gained the rank of Captain in the Royal Engineers.1 He was educated at Magdalene College, Cambridge University, Cambridge, Cambridgeshire, EnglandG.1
Children of Alastair Peter Colquhoun and Elisabeth Stanning
- Mary Louise Colquhoun2 b. 1979
- Andrew John Colquhoun+2 b. 1983
Captain Geoffrey Stanning1
Child of Captain Geoffrey Stanning
Elisabeth Stanning1
From 1977, her married name became Colquhoun.
Children of Elisabeth Stanning and Alastair Peter Colquhoun
- Mary Louise Colquhoun2 b. 1979
- Andrew John Colquhoun+2 b. 1983
Andrew John Colquhoun1
Children of Andrew John Colquhoun and Abby C. L. Charles
- Angus Michael Alastair Colquhoun3 b. 30 Apr 2021
- Lila Alice Colquhoun3 b. 27 May 2022
Mary Louise Colquhoun1
From 18 August 2007, her married name became Cochrane.3
- [S37] BP2003 volume 2, page 1655. See link for full details for this source. Hereinafter cited as. [S37]
- [S37] BP2003. [S37]
- [S4886] Ian Cochrane, “re: Cochrane Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 8 September 2010. Hereinafter cited as “re: Cochrane Family.”
John Humphrey Colquhoun1
He was educated at Eton College, Windsor, Berkshire, EnglandG.1 He was educated at Trinity College, Cambridge University, Cambridge, Cambridgeshire, EnglandG.1 He lived in 2003 at Brooke House, Frocester, Gloucestershire, EnglandG.1
Children of John Humphrey Colquhoun and Susan Elizabeth Ingram
- Mark Humphrey Colquhoun+2 b. 1973
- James Arthur Colquhoun+2 b. 1975
- Auriol Emma Colquhoun2 b. 1982
Freddie Michael Colquhoun1
- [S466] Notices, The Telegraph, London, UK. Hereinafter cited as The Telegraph.
Susan Elizabeth Ingram1
From 26 July 1969, her married name became Colquhoun. She lived in 2003 at Brooke House, Frocester, Gloucestershire, England.2
Children of Susan Elizabeth Ingram and John Humphrey Colquhoun
- Mark Humphrey Colquhoun+2 b. 1973
- James Arthur Colquhoun+2 b. 1975
- Auriol Emma Colquhoun2 b. 1982
Mark Humphrey Colquhoun1
Children of Mark Humphrey Colquhoun and Katherine Rosemary Woodrow
- Arthur Humphrey Colquhoun2 b. 17 Sep 2000
- Daisy Heather Colquhoun2 b. 16 Oct 2002
Child of Mark Humphrey Colquhoun and Kate Louise Eshelby
- Zac Eldred Colquhoun3 b. 2 May 2011