Katherine Margaret Barrett Beatty1
She was educated at Millfield School, Street, Somerset, EnglandG.1
Caroline Diana Charlotte Beatty1
John Saye Wingfield Twisleton-Wykeham-Fiennes1 
He was educated at Winchester College, Winchester, Hampshire, EnglandG.1 He graduated from Balliol College, Oxford University, Oxford, Oxfordshire, EnglandG, in 1934 with a Bachelor of Arts (B.A.)1 He was admitted to Middle Temple in 1936 entitled to practise as a barrister.1 He was Assistant Parliamentary Counsel to the Treasury in 1939.1 He was Parliamentary Counsel in 1946.1 He was appointed Companion, Order of the Bath (C.B.) in 1953.1 He was 2nd Parliamentary Counsel between 1956 and 1958.1 He was Parliamentary Counsel to Malaya under the Colombo Plan between 1962 and 1963.1 He was Honorary Johan Mangku Negara (Malaysia)
in 1963.1 He was 1st Parliamentary Counsel between 1968 and 1972.1 He held the office of Bencher of the Middle Temple in 1969.1 He was appointed Knight Commander, Order of the Bath (K.C.B.) in 1970.1 He was appointed Queen’s Counsel (Q.C.) in 1972.1
Children of John Saye Wingfield Twisleton-Wykeham-Fiennes and Sylvia Beatrice McDowall
- Judith Mary Twisleton-Wykeham-Fiennes2 b. 6 Jun 1938
- Nicholas John Twisleton-Wykeham-Fiennes+2 b. 25 Jul 1940
- William Gerard Twisleton-Wykeham-Fiennes+2 b. 24 Jan 1946
Jessie Mary Goddard Jackson1
From 20 December 1923, her married name became Twisleton-Wykeham-Fiennes.1
Children of Jessie Mary Goddard Jackson and Major Cecil Wingfield Twisleton-Wykeham-Fiennes
- Kathleen Patricia Twisleton-Wykeham-Fiennes+2 b. 20 Nov 1925, d. Jul 2015
- Anthony Patrick Twisleton-Wykeham-Fiennes+2 b. 5 Jul 1927, d. 1989
Sylvia Beatrice McDowall1 
From 1 September 1937, her married name became Twisleton-Wykeham-Fiennes.
Children of Sylvia Beatrice McDowall and John Saye Wingfield Twisleton-Wykeham-Fiennes
- Judith Mary Twisleton-Wykeham-Fiennes2 b. 6 Jun 1938
- Nicholas John Twisleton-Wykeham-Fiennes+2 b. 25 Jul 1940
- William Gerard Twisleton-Wykeham-Fiennes+2 b. 24 Jan 1946
Nicholas John Twisleton-Wykeham-Fiennes1
He was educated at Winchester Cathedral, Winchester, Hampshire, EnglandG.1 He was educated at Merton College, Oxford University, Oxford, Oxfordshire, EnglandG.1 He lived in 2003 at 21 Chalfont Road, Oxford, Oxfordshire, EnglandG.1
Children of Nicholas John Twisleton-Wykeham-Fiennes and Vicki Karen Thomas
- Alexander William Twisleton-Wykeham-Fiennes2 b. 22 May 1971
- John Edward Twisleton-Wykeham-Fiennes2 b. 15 Feb 1973
- Katherine Margaret Twisleton-Wykeham-Fiennes2 b. 2 Oct 1974
Vicki Karen Thomas1
From 5 April 1969, her married name became Twisleton-Wykeham-Fiennes.1
Children of Vicki Karen Thomas and Nicholas John Twisleton-Wykeham-Fiennes
- Alexander William Twisleton-Wykeham-Fiennes2 b. 22 May 1971
- John Edward Twisleton-Wykeham-Fiennes2 b. 15 Feb 1973
- Katherine Margaret Twisleton-Wykeham-Fiennes2 b. 2 Oct 1974
Alexander William Twisleton-Wykeham-Fiennes1
John Edward Twisleton-Wykeham-Fiennes1
