Kate Margaretta Pearse1
Jennifer Marion Wright1 
From 10 October 1952, her married name became Drinkwater.
Children of Jennifer Marion Wright and Lt.-Cdr. Sir John Muir Drinkwater
- Jane Fairrie Drinkwater+2 b. 1954
- Jonathan Dominick St. Clair Drinkwater+2 b. 1956
- Joanna Elizabeth Drinkwater2 b. 1958, d. 1995
- Juliet Caroline Leslie Drinkwater+2 b. 1961
- Jessanda Katherine Jemima Drinkwater+2 b. 12 Oct 1964
Commander John Drinkwater1
He was appointed Officer, Order of the British Empire (O.B.E.)2 He gained the rank of Commander in the Royal Navy (submariner.)1 He fought in the First World War.2
Child of Commander John Drinkwater and Edith Muir
- Lt.-Cdr. Sir John Muir Drinkwater+3 b. 1925, d. 13 Aug 2019
Lt.-Cdr. Sir John Muir Drinkwater1 
He was appointed Officer, Order of the British Empire (O.B.E.)1 He was appointed Queen’s Counsel (Q.C.)2 He was appointed Knight in 1988.2
Children of Lt.-Cdr. Sir John Muir Drinkwater and Jennifer Marion Wright
- Jane Fairrie Drinkwater+3 b. 1954
- Jonathan Dominick St. Clair Drinkwater+3 b. 1956
- Joanna Elizabeth Drinkwater3 b. 1958, d. 1995
- Juliet Caroline Leslie Drinkwater+3 b. 1961
- Jessanda Katherine Jemima Drinkwater+3 b. 12 Oct 1964
Jonathan Dominick St. Clair Drinkwater1
Children of Jonathan Dominick St. Clair Drinkwater and Philippa Anne Bik
- Harriet Frances Jessanda Drinkwater2 b. 1989
- Charles Alexander John Drinkwater2 b. 1991
- William Oscar James Drinkwater2 b. 1994
Anthony van Beugen Bik1
Child of Anthony van Beugen Bik
Philippa Anne Bik1
From 1984, her married name became Drinkwater.
Children of Philippa Anne Bik and Jonathan Dominick St. Clair Drinkwater
- Harriet Frances Jessanda Drinkwater2 b. 1989
- Charles Alexander John Drinkwater2 b. 1991
- William Oscar James Drinkwater2 b. 1994
Charles Alexander John Drinkwater1
William Oscar James Drinkwater1
Harriet Frances Jessanda Drinkwater1
