Nicholas James Trevelyan1
Clare Rose Trevelyan1
Sarah Juliet Trevelyan1
From 1980, her married name became Boyle. She lived in 2003 at 21A Inverleith Place, Edinburgh, Midlothian, Scotland.1
Children of Sarah Juliet Trevelyan and James Boyle
- Suzannah Angela Boyle2 b. 1984
- Kydd Boyle2 b. 1987
James Boyle1
He was a writer and sculptor.1
Children of James Boyle and Sarah Juliet Trevelyan
- Suzannah Angela Boyle2 b. 1984
- Kydd Boyle2 b. 1987
Suzannah Angela Boyle1
Winifred Heather Jackson1 
From 1917, her married name became Downton.1
Children of Winifred Heather Jackson and Geoffrey Murray Downton
- Audrey Downton1 b. 1 Jul 1919, d. 1 Jul 1919
- Charles Murray Downton+1 b. 12 Jan 1922, d. 29 Jan 1943
- Marjory Heather Downton1 b. 1 Apr 1925, d. 25 Apr 1996
- [S6345] Annette Miller, “re: Miller Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 6 September 2012. Hereinafter cited as “re: Miller Family.”
Robert Mutch1
Child of Robert Mutch
- Jean Mutch+2 d. 1972
Jean Mutch1 
From 1959, her married name became Trevelyan.
Children of Jean Mutch and John Trevelyan
- Jonathan Trevelyan+2 b. 1959
- Simon Trevelyan+2 b. 1959
Jonathan Trevelyan1 
He graduated from Bristol University, Bristol, England, with a Bachelor of Science (B.Sc.)1 He graduated from Bristol University, Bristol, England, with a Doctor of Philosophy (Ph.D.)1 He lived in 2003 at 33 Archery Rise, Durham, County Durham, England.1
Children of Jonathan Trevelyan and Karen Elizabeth Ireland
- David John Trevelyan2 b. 1988
- Sally Trevelyan2 b. 1990