Elizabeth Wilbur Case1
From 31 January 1953, her married name became Williamson. She lived in 2003 at Kenady, 33 Fifth Avenue, San Francisco, California, U.S.A.G.1
Children of Elizabeth Wilbur Case and David Archibald Forbes Williamson
- Charlotte Mary Williamson2 b. 12 Aug 1955
- Bruce Williamson2 b. 21 Jan 1957, d. 21 Jan 1957
- David Stephen Charles Williamson+2 b. 10 Aug 1958
- Alexander Fergus Case Williamson+2 b. 21 Nov 1960
Bruce Williamson1 
David Stephen Charles Williamson1
David Stephen Charles Williamson usually went by his middle name of Stephen.1
Child of David Stephen Charles Williamson and Alexandra Bowes
- Daisy Case Williamson2 b. 1995
Susan (?)1
Her married name became Williamson.
- [S37] BP2003 volume 1, page 1469. See link for full details for this source. Hereinafter cited as. [S37]
Daisy Case Williamson1
Alexander Fergus Case Williamson1
Child of Alexander Fergus Case Williamson and Amy Baker
- Olivia Williamson2 b. 2001
Amy Baker1
From 1997, her married name became Williamson.
Child of Amy Baker and Alexander Fergus Case Williamson
- Olivia Williamson2 b. 2001
Olivia Williamson1
Charlotte Mary Williamson1
Hersey Caroline Ann Williamson1 
She gained the rank of Junior Commander between 1942 and 1945 in the Auxiliary Territorial Service, in the Middle East and Italy, and was mentioned in despatches.1 From 9 February 1943, her married name became Breakwell. From 5 May 1945, her married name became Robertson.1 She lived in 2003 at Barr, Minard, Inveraray, Argyllshire, ScotlandG.1
Children of Hersey Caroline Ann Williamson and Major Donald Struan Robertson
- Melville Alexander Struan Robertson2 b. 24 Jun 1946, d. 2 Mar 1969
- Christian Sarah Hersey Robertson+2 b. 27 May 1948
- Alexandra Charlotte Robertson+2 b. 16 Jun 1952
- Lucinda Margaret Ann Robertson+2 b. 23 Jul 1960
- [S37] BP2003 volume 1, page 1469. See link for full details for this source. Hereinafter cited as. [S37]
- [S37] BP2003. [S37]
- [S6823] Andy Anderson, “re: Robertson Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 30 September 2013. Hereinafter cited as “re: Robertson Family.”