Mary Helen Marshall1 
From 12 February 1944, her married name became Kirkwood.
Children of Mary Helen Marshall and Hon. James Smith Kirkwood
- Colonel David Kirkwood+2 b. 26 Mar 1945, d. 2020
- Elizabeth Joan Kirkwood2 b. 26 Jan 1947, d. Sep 1986
- James Marshall Smith Kirkwood2 b. 26 Aug 1954
Colonel David Kirkwood1 
He was officer of the Royal Artillery in 1966.1 He was commander of the 7 Para Regiment, Royal Horse Artillery.1 He was director of Jarvis Projects.1 He retired from the military in 1997, with the rank of Colonel.1 He held the office of Deputy Lieutenant (D.L.)1 He lived in 2003 at 7 Wildbank Chase, Mottram Rise, Stalybridge, Cheshire, EnglandG.1
Children of Colonel David Kirkwood and Sandra Bell
- Douglas James Kirkwood2 b. 1974
- Judith Elizabeth Kirkwood2 b. 1976
- David Angus Kirkwood2 b. 1978
- Robert Cameron Kirkwood2 b. 1981
- [S37] BP2003 volume 2, page 2205. 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.
Sandra Bell1
From August 1971, her married name became Kirkwood.
Children of Sandra Bell and Colonel David Kirkwood
- Douglas James Kirkwood2 b. 1974
- Judith Elizabeth Kirkwood2 b. 1976
- David Angus Kirkwood2 b. 1978
- Robert Cameron Kirkwood2 b. 1981
Robert Cameron Kirkwood1
Judith Elizabeth Kirkwood1
James Marshall Smith Kirkwood1
Elizabeth Joan Kirkwood1 