Lucas Anthony Davidson1
Louise Penelope Davidson1
Ellen Ruth Davidson1
Violet Vyvyan1 
Elsie Vyvyan1 
From 4 August 1923, her married name became Cossar.
James William Cossar1
Child of James William Cossar
- Eric William Thomson Cossar2 d. 10 Mar 1945
Eric William Thomson Cossar1 
Frederick Albert Vyvyan1 
Children of Frederick Albert Vyvyan and Mary Agnes Baynham
- Eleanor Augusta Vyvyan2 b. 4 Aug 1889, d. 7 May 1978
- Henry Norris Vyvyan2 b. 21 Nov 1890, d. 5 Sep 1903
- Philip Vyvyan+2 b. 19 Apr 1892, d. 1985
- Mary Gertrude Vyvyan2 b. 24 May 1897, d. 31 Dec 1936
William Baynham1
Child of William Baynham
- Mary Agnes Baynham+2 b. c 1862, d. 12 May 1957
Mary Agnes Baynham1 
From 30 October 1888, her married name became Vyvyan.
Children of Mary Agnes Baynham and Frederick Albert Vyvyan
- Eleanor Augusta Vyvyan3 b. 4 Aug 1889, d. 7 May 1978
- Henry Norris Vyvyan3 b. 21 Nov 1890, d. 5 Sep 1903
- Philip Vyvyan+3 b. 19 Apr 1892, d. 1985
- Mary Gertrude Vyvyan3 b. 24 May 1897, d. 31 Dec 1936
- [S37] BP2003 volume 3, page 4016. See link for full details for this source. Hereinafter cited as. [S37]
- [S7529] WikiTree, online http://www.wikitree.com/. Hereinafter cited as WikiTree.
- [S37] BP2003. [S37]
