Hon. Diana Mary Anstruther-Gray1 
Her married name became Macnab. She held the office of Deputy Lieutenant (D.L.) of Fife in 1992.2
Children of Hon. Diana Mary Anstruther-Gray and James Charles Macnab of Macnab, 23rd Chief
- Virginia Mary Macnab+2 b. 29 Jul 1960
- James William Archibald Macnab of Macnab, younger+2 b. 22 Mar 1963
- Geoffrey Charles Macnab+2 b. 20 Aug 1965
- Katharine Monica Macnab+2 b. 29 Feb 1968
James Charles Macnab of Macnab, 23rd Chief1 
He was also known as James Charles Macnabb.2 He was educated at Radley College, Radley, Oxfordshire, England.2 He gained the rank of Lieutenant in the 1st Battalion, Seaforth Highlanders, served in India, Java and Singapore.2 He was educated at Ashbury College, Ottawa, Ontario, CanadaG.2 He gained the rank of Captain in the 11th Battalion, Seaforth Highlanders (TA), formerly with Royal Air Force and Scots Guards.2 He was Officer with the Federation of Malayan Police Force between 1948 and 1957.2 He was recognised by Lord Lyon King of Arms, and matriculated his arms at the Lyons Court on 10 June 1959.2 He held the office of Member of Western District Council, Perthshire between 1961 and 1964.2 He was admitted to the Royal Company of Archers in 1964.2 He held the office of Member of Perth and Kinross Joint County Council between 1964 and 1975.2 He held the office of Justice of the Peace (J.P.) for Perthshire between 1968 and 1975.2 He held the position of 23rd Chief of the Clan Macnab from in 1970.2 He held the office of Justice of the Peace (J.P.) for Stirling between 1975 and 1986.1 He held the office of Member of the Central Regional Council between 1978 and 1982.2
Children of James Charles Macnab of Macnab, 23rd Chief and Hon. Diana Mary Anstruther-Gray
- Virginia Mary Macnab+2 b. 29 Jul 1960
- James William Archibald Macnab of Macnab, younger+2 b. 22 Mar 1963
- Geoffrey Charles Macnab+2 b. 20 Aug 1965
- Katharine Monica Macnab+2 b. 29 Feb 1968
- [S37] BP2003 volume 1, page 644. 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.
Virginia Mary Macnab1
From 5 July 1986, her married name became Fyffe.3 She lived in 2003 at Corsindae, Sauchen by Inverurie, Aberdeenshire, ScotlandG.1
Children of Virginia Mary Macnab and Richard Laurence Oliphant Fyffe
- Alice Catherine Fyffe2 b. 3 Dec 1989
- Emma Cicely Fyffe2 b. 10 Jan 1992
Hon. Jane Caroline Anstruther-Gray
From 28 July 1962, her married name became Weir.
Children of Hon. Jane Caroline Anstruther-Gray and Hon. George Anthony Weir
- William John Weir1 b. 5 Feb 1971
- Edward Kenneth Weir1 b. 1972
- Belinda Jane Weir2 b. 6 May 1974
Hon. George Anthony Weir
He was educated at Winchester College, Winchester, Hampshire, England.1 He graduated from Trinity College, Cambridge University, Cambridge, Cambridgeshire, England, in 1960 with a Bachelor of Arts (B.A.)1 He graduated from Massachusetts Institute of Technology, Cambridge, Massachusetts, U.S.A.G, with a Master of Science (S.M.)1 He graduated from Massachusetts Institute of Technology, Cambridge, Massachusetts, U.S.A., with a Doctor of Philosophy (Ph.D.)1 He was director of CF Taylor (Holdings) (Weir Corp) in 1973.1 He lived in 2003 at Kilmany, Cupar, Fife, Scotland.1
Children of Hon. George Anthony Weir and Hon. Jane Caroline Anstruther-Gray
- William John Weir1 b. 5 Feb 1971
- Edward Kenneth Weir1 b. 1972
- Belinda Jane Weir2 b. 6 May 1974
James Kenneth Weir, 2nd Viscount Weir 
He was educated at Oundle School, Oundle, Northamptonshire, England.1 He graduated from Trinity College, Cambridge University, Cambridge, Cambridgeshire, England, in 1926 with a Bachelor of Arts (B.A.)1 He was Chairmam of the 25–Pounder Field Gun Production Committee, Ministry of Supply between 1940 and 1943.1 He was Chairmam of the 6–Pounder Ordnance Committee, Ministry of Supply between 1941 and 1944.1 He was member of the Industrial Advisory Panel, Ministry of Production between 1942 and 1945.1 He was appointed Commander, Order of the British Empire (C.B.E.) in 1944.1 He was managing director of Weir Group in 1944.1 He was chairman of Weir Group between 1955 and 1972.1 He succeeded as the 2nd Viscount Weir, of Eastwood, co. Renfrew [U.K., 1938] on 2 July 1959.2 He succeeded as the 2nd Baron Weir, of Eastwood, co. Renfrew [U.K., 1918] on 2 July 1959.2 He was director of Dunlop, Scottish TV, and Guardian Assurance Group.1
Children of James Kenneth Weir, 2nd Viscount Weir and Dorothy Isabel Lucy Crowdy
- Lucy Elspeth Anne Weir1 b. 26 Dec 1929, d. 10 Dec 1937
- William Kenneth James Weir, 3rd Viscount Weir+1 b. 9 Nov 1933
- Hon. Douglas Nigel Weir+1 b. 6 Oct 1935
- Hon. George Anthony Weir+1 b. 27 Apr 1940
- Hon. Janet Sibella Weir+1 b. 13 Apr 1947
- Hon. James Richard Canning Weir+1 b. 1 May 1949, d. 24 Oct 2022
William Kenneth James Weir, 3rd Viscount Weir
He was educated at Eton College, Windsor, Berkshire, England.1 He graduated from Trinity College, Cambridge University, Cambridge, Cambridgeshire, England, in 1955 with a Bachelor of Arts (B.A.)1 He was director of Great Northern Investment Trust between 1970 and 1980.2 He was director of St. James’s Place Capital plc, BSC between 1972 and 1976.1 He was chief executive of Weir Group plc between 1972 and 1981.2 He succeeded as the 3rd Baron Weir, of Eastwood, co. Renfrew [U.K., 1918] on 16 August 1975.1 He succeeded as the 3rd Viscount Weir, of Eastwood, co. Renfrew [U.K., 1938] on 16 August 1975.1 He was chairman of British Bank of the Middle East between 1977 and 1979.1 He was vice-chairman and then chairman of Weir Group plc between 1983 and 1999.1 He was director of Hambro Life between 1984 and 1986.2 He was director of Canadian Pacific Ltd between 1989 and 2001.2 He was appointed Fellow, Royal Society of Arts (F.R.S.A.)1 He was chairman of Balfour Beatty plc in 1996.1 He was chairman of CP Ships in 2001.1 He lived in 2003 at Rodinghead, Mauchline, Ayrshire, Scotland.1
Children of William Kenneth James Weir, 3rd Viscount Weir and Diana Lucy MacDougall
- Hon. James William Hartland Weir2 b. 6 Jun 1965
- Hon. Lorna Elizabeth Weir+2 b. 17 May 1967
Child of William Kenneth James Weir, 3rd Viscount Weir and Marina Sevastopoulo
- Hon. Andrew Alexander Marc Weir2 b. 1989
Hon. Douglas Nigel Weir
He was educated at Eton College, Windsor, Berkshire, England.1 He was educated at Trinity College, Cambridge University, Cambridge, Cambridgeshire, England.1
Children of Hon. Douglas Nigel Weir and Penelope Anne Whitehead
- Juliet Anne Weir2 b. 20 Dec 1964
- Lucy Weir2 b. 8 Jul 1966
- Nicola Jean Weir2 b. 17 Nov 1969
- Joanna Weir2 b. 1978
Hon. James Richard Canning Weir1 
He was educated at Winchester College, Winchester, Hampshire, England.1 He lived in 2003 at 17 Pimlico Road, London, England.1
Children of Hon. James Richard Canning Weir and Haude Chantal Gabrielle Charpentier
- Victoria Dorothy Sabine Weir3 b. 1978
- Kate Mora Laure Weir3 b. 1980
- [S37] BP2003 volume 3, page 4108. See link for full details for this source. Hereinafter cited as. [S37]
- [S9697] Kate Weir, “re: Weir Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 3 Nov 2022. Hereinafter cited as “re: Weir Family.”
- [S37] BP2003. [S37]
Lucy Elspeth Anne Weir 
- [S37] BP2003 volume 3, page 4108. See link for full details for this source. Hereinafter cited as. [S37]