Jane Sneyd1 
From 1561, her married name became Trentham.1
Children of Jane Sneyd and Thomas Trentham
Lt.-Col. Richard de Villamil1 
He gained the rank of Lieutenant-Colonel in the Royal Engineers.1 He wrote the book Newton: the Man, published 1931.2
Child of Lt.-Col. Richard de Villamil and Jan Perrier
- Louise Perrier Stopford Villamil2 b. 1886, d. 1886
- [S474] FamilySearch, online http://www.familysearch.com. Hereinafter cited as FamilySearch.
- [S9302] Martin Webber, “re: Simonds Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 10 Mar 2021. Hereinafter cited as “re: Simonds Family.”
- [S4938] John Hawkins, “re: Pym Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 6 October 2010. Hereinafter cited as “re: Pym Family.”
Robert Jenkins Pym1
Children of Robert Jenkins Pym and Brynhilde Drummond-Hay
- Diana Pym1
- Robert Leslie Drummond Hay Pym+1 b. 14 Jul 1918, d. 29 Dec 2009
- Desiree Pym1 b. c 1922, d. 1940
- [S4938] John Hawkins, “re: Pym Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 6 October 2010. Hereinafter cited as “re: Pym Family.”
Brynhilde Drummond-Hay1 
From 10 February 1917, her married name became Pym.1
Children of Brynhilde Drummond-Hay and Robert Jenkins Pym
- Diana Pym1
- Robert Leslie Drummond Hay Pym+1 b. 14 Jul 1918, d. 29 Dec 2009
- Desiree Pym1 b. c 1922, d. 1940
- [S4938] John Hawkins, “re: Pym Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 6 October 2010. Hereinafter cited as “re: Pym Family.”
Diana Pym1 
- [S4938] John Hawkins, “re: Pym Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 6 October 2010. Hereinafter cited as “re: Pym Family.”
Desiree Pym1 
- [S4938] John Hawkins, “re: Pym Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 6 October 2010. Hereinafter cited as “re: Pym Family.”
Robert Leslie Drummond Hay Pym1 
Child of Robert Leslie Drummond Hay Pym and Iris Kruger
- Suzanne Pym+1 b. 29 Jan 1950
Children of Robert Leslie Drummond Hay Pym and June Goldsbury
- [S4938] John Hawkins, “re: Pym Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 6 October 2010. Hereinafter cited as “re: Pym Family.”
Suzanne Pym1
Her married name became Hawkins.1
Child of Suzanne Pym and John Victor Hawkins
- Mandy Hawkins1 b. 26 May 1965
- [S4938] John Hawkins, “re: Pym Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 6 October 2010. Hereinafter cited as “re: Pym Family.”
Iris Kruger1 
Her married name became Pym.1
Child of Iris Kruger and Robert Leslie Drummond Hay Pym
- Suzanne Pym+1 b. 29 Jan 1950
- [S4938] John Hawkins, “re: Pym Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 6 October 2010. Hereinafter cited as “re: Pym Family.”
John Victor Hawkins1
Child of John Victor Hawkins and Suzanne Pym
- Mandy Hawkins1 b. 26 May 1965
- [S4938] John Hawkins, “re: Pym Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 6 October 2010. Hereinafter cited as “re: Pym Family.”