Caroline France Gosschalk1
From 1979, her married name became Trefgarne.
Children of Caroline France Gosschalk and Hon. Trevor Garro Trefgarne
- Mark Michael Garro Trefgarne2 b. 1982
- Camilla Amélie Trefgarne2 b. 1988
Mark Michael Garro Trefgarne1
Camilla Amélie Trefgarne1
Hon. Gwion Noel Garro Trefgarne1,2
He was given the name of Gwion George Garro Trefgarne at birth.2 He was educated at Milton Abbey School, Milton Abbas, Dorset, England.3 He was educated at Merrist Wood College, Guildford, Surrey, England.3 He was educated at Usk Agricultural College, Monmouthshire, Wales.1 He was a tree surgeon.1
Children of Hon. Gwion Noel Garro Trefgarne and Jacqueline Louise Rees
- Samuel Ivor Garro Trefgarne3 b. 1987
- Hannah Elizabeth Trefgarne3 b. 1989
- [S37] BP2003 volume 3, page 3929. See link for full details for this source. Hereinafter cited as. [S37]
- [S8693] Gwion Trefgarne, “re: Trefgarne Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 20 Jan 2019. Hereinafter cited as “re: Trefgarne Family.”
- [S37] BP2003. [S37]
Jacqueline Louise Rees1
From 1986, her married name became Trefgarne.
Children of Jacqueline Louise Rees and Hon. Gwion Noel Garro Trefgarne
- Samuel Ivor Garro Trefgarne2 b. 1987
- Hannah Elizabeth Trefgarne2 b. 1989
Samuel Ivor Garro Trefgarne1
He was admitted to Gray’s Inn in 2012.3
- [S37] BP2003 volume 3, page 3929. See link for full details for this source. Hereinafter cited as. [S37]
- [S37] BP2003. [S37]
- [S8693] Gwion Trefgarne, “re: Trefgarne Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 20 Jan 2019. Hereinafter cited as “re: Trefgarne Family.”
Hannah Elizabeth Trefgarne1
She graduated from Manchester University, Manchester, Lancashire, England, in 2012.3
- [S37] BP2003 volume 3, page 3929. See link for full details for this source. Hereinafter cited as. [S37]
- [S37] BP2003. [S37]
- [S8693] Gwion Trefgarne, “re: Trefgarne Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 20 Jan 2019. Hereinafter cited as “re: Trefgarne Family.”
Hon. Mary Elizabeth Trefgarne1
She was admitted to Gray’s Inn in 1971 entitled to practise as a barrister.1
Arthur Jones1 
- [S6626] Sebastian Jones, “re: Jones Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 1 April 2013. Hereinafter cited as “re: Jones Family.”