Malcolm Ian Sinclair, 20th Earl of Caithness1
He was educated at Marlborough College, Marlborough, Wiltshire, EnglandG.1 He held the position of Chief of the Name and Arms of Sinclair from in 1965.1 He succeeded as the 20th Earl of Caithness [S., 1455] on 9 May 1965.1 He succeeded as the 20th Lord Berriedale [S., 1449] on 9 May 1965.1 He succeeded as the 15th Baronet Sinclair, of Canisbay, co. Caithness [N.S., 1631] on 9 May 1965.1 He was educated at Royal Agricultural College, Cirencester, Gloucestershire, EnglandG.1 He was an estate agent, with Savill’s and then Brown and Mumford between 1972 and 1980.1 He was appointed Fellow, Royal Institution of Chartered Surveyors (F.R.I.C.S.)1 He held the office of Lord-in-Waiting between 1984 and 1985.1 He held the office of Parliamentary Under-Secretary for Transport between 1985 and 1986.1 He held the office of Minister of State, Home Office between 1986 and 1988.1 He held the office of Minister of State, Department for Environment between 1988 and 1989.1 He held the office of Minister of State, H.M. Treasury between 1989 and 1990.1 He held the office of Paymaster-General between 1989 and 1990.1 He was appointed Privy Counsellor (P.C.) in 1990.1 He held the office of Minister of State, Foreign and Colonial Office between 1990 and 1992.1 He held the office of Minister of State, Department for Transport between 1992 and 1994.1 He held the office of Elected Member of the House of Lords in 1999.1
Children of Malcolm Ian Sinclair, 20th Earl of Caithness and Diana Caroline Coke
- Lady Iona Alexandra Sinclair2 b. 18 Feb 1978
- Alexander James Richard Sinclair, Lord Berriedale2 b. 26 Mar 1981
- [S37] BP2003 volume 1, page 641. See link for full details for this source. Hereinafter cited as. [S37]
- [S37] BP2003. [S37]
- [S1122] Peerage News, online http://peeragenews.blogspot.co.nz/. Hereinafter cited as Peerage News.
- [S206] Announcements, The Daily Mail, London, U.K.. Hereinafter cited as The Daily Mail.
Juliet Margaret Williams-Freeman1
From 1994, her married name became King.
Theresa Jean Williams-Freeman1
From 1991, her married name became Wilson.
Kim Janette Williams-Freeman1
From 1993, her married name became Roberts.
Elizabeth Jean Williams-Freeman
Jocelyn Lavinia Williams-Freeman
George Napier Peere Williams-Freeman 
Children of George Napier Peere Williams-Freeman and Emily Alice Ready
- Anthony George Peere Williams-Freeman b. 1926
- Naomi Alice Williams-Freeman b. 1927
- Robert Peere Williams-Freeman b. 1928
- Cunynghame Ready Peere Williams-Freeman b. 1933
Emily Alice Ready
Her married name became Williams-Freeman.
Children of Emily Alice Ready and George Napier Peere Williams-Freeman
- Anthony George Peere Williams-Freeman b. 1926
- Naomi Alice Williams-Freeman b. 1927
- Robert Peere Williams-Freeman b. 1928
- Cunynghame Ready Peere Williams-Freeman b. 1933
Anthony George Peere Williams-Freeman
Robert Peere Williams-Freeman
