Richard Oliver MacMahon Williams1 
He was a practising Writer to the Signet (W.S.)1 He was awarded the Military Cross (M.C.)1 He was appointed Officer, Order of the British Empire (O.B.E.)1
Children of Richard Oliver MacMahon Williams and Camilla Mary Sainte Croix Rose
- Caroline Jane Sainte Croix Williams+2 b. 2 Jun 1947
- Nicola Valentine Blomfield Williams+2 b. 8 Dec 1948
- Rosemary Anne MacMahon Williams+2 b. 9 Aug 1952
- Lorna Christine Allan Williams2 b. 25 Nov 1954
Caroline Jane Sainte Croix Williams1
She graduated from St. Andrews University, St. Andrews, Fife, Scotland, with a Master of Arts (M.A.)1 From 1983, her married name became Marriage.
Children of Caroline Jane Sainte Croix Williams and Jeremy Peter Marriage
- Clare Felicity Marriage2 b. 1984
- Frederick Peter Oliver Marriage2 b. 1986
- Lucy Diana Marriage2 b. 1989
Jeremy Peter Marriage1
Children of Jeremy Peter Marriage and Caroline Jane Sainte Croix Williams
- Clare Felicity Marriage2 b. 1984
- Frederick Peter Oliver Marriage2 b. 1986
- Lucy Diana Marriage2 b. 1989
Frederick Peter Oliver Marriage1
Clare Felicity Marriage1
Lucy Diana Marriage1
Nicola Valentine Blomfield Williams1
From 1972, her married name became Irwin.
Children of Nicola Valentine Blomfield Williams and Brigadier Alistair Stuart Hastings Irwin
- Mary Rose Elizabeth Irwin2 b. 1975
- Laura Bridget Irwin2 b. 1978
- George Ronald Valentine Hastings Irwin2 b. 1983
Brigadier Alistair Stuart Hastings Irwin1
He gained the rank of Brigadier in the Black Watch.1 He was appointed Officer, Order of the British Empire (O.B.E.)1
Children of Brigadier Alistair Stuart Hastings Irwin and Nicola Valentine Blomfield Williams
- Mary Rose Elizabeth Irwin2 b. 1975
- Laura Bridget Irwin2 b. 1978
- George Ronald Valentine Hastings Irwin2 b. 1983
George Ronald Valentine Hastings Irwin1
Mary Rose Elizabeth Irwin1