Margaret Louisa Rosalind Percival 
Her married name became Barne. From 1952, her married name became Maxtone Graham.1
Children of Margaret Louisa Rosalind Percival and Lt.-Col. Michael Ernest St. John Barne
- Catherine Margaret Barne b. 16 Apr 1930
- Patricia Constance Mary Barne b. 8 Jun 1932
- Diana Marion Barne b. 1 Nov 1934
- Major Nicholas Michael Lancelot Barne+ b. 25 Nov 1943, d. 21 Oct 2017
- [S7529] WikiTree, online http://www.wikitree.com/. Hereinafter cited as WikiTree.
Catherine Margaret Barne
Patricia Constance Mary Barne
Diana Marion Barne
Anthony Miles Barne
Nigel Hugh Barne
Elizabeth Mabel Barne 
Her married name became Showers.1
Children of Elizabeth Mabel Barne and Colonel Lionel James Showers
- [S1122] Peerage News, online http://peeragenews.blogspot.co.nz/. Hereinafter cited as Peerage News.
Michael Barne 
Children of Michael Barne and Gwendoline Marjory Gray
- John Michael Barne b. 3 May 1912
- Ivo Miles Barne b. 1916
Gwendoline Marjory Gray
Her married name became Barne.
Children of Gwendoline Marjory Gray and Michael Barne
- John Michael Barne b. 3 May 1912
- Ivo Miles Barne b. 1916
John Michael Barne
