John Geoffrey Onslow Fergusson1
He was educated at Trinity College, Glenalmond, Perthshire, ScotlandG.1 He lived in 2003 at Old Nisthouse, Harray, Orkney Islands, ScotlandG.1
Children of John Geoffrey Onslow Fergusson and Ann Caroline Barthold
- Catherine Alice Fergusson2 b. 1982
- Joannah Ruth Fergusson2 b. 1989
G/Capt. Bertram Barthold1
Children of G/Capt. Bertram Barthold
Ann Caroline Barthold1
From 1979, her married name became Fergusson.
Children of Ann Caroline Barthold and John Geoffrey Onslow Fergusson
- Catherine Alice Fergusson2 b. 1982
- Joannah Ruth Fergusson2 b. 1989
Catherine Alice Fergusson1
Joannah Ruth Fergusson1
Charity Alice Onslow Fergusson1 
Henrietta Charity Onslow Fergusson1
Jean Marie Vaucher1
Child of Jean Marie Vaucher
- [S37] BP2003 volume 1, page 1267. See link for full details for this source. Hereinafter cited as. [S37]
Donald Hyde1 
He lived at Four Oaks Farm, 350 Burnt Mill Road, Somerville, New Jersey, U.S.A.G.1
- [S37] BP2003 volume 1, page 1268. See link for full details for this source. Hereinafter cited as. [S37]
Alyosha Zinovieff1
- [S37] BP2003 volume 2, page 2944. See link for full details for this source. Hereinafter cited as. [S37]
