Nigel Ivan Markham1 
- [S339] Descendants of William the Conqueror, online http://www.william1.co.uk/. Hereinafter cited as Descendants of William the Conqueror.
- [S474] FamilySearch, online http://www.familysearch.com. Hereinafter cited as FamilySearch.
Emily Clifton Firth1 
From 1894, her married name became Markham.1
- [S339] Descendants of William the Conqueror, online http://www.william1.co.uk/. Hereinafter cited as Descendants of William the Conqueror.
- [S474] FamilySearch, online http://www.familysearch.com. Hereinafter cited as FamilySearch.
Cecile Mary Isabella Markham1 
From 12 December 1877, her married name became Samuda.1
- [S339] Descendants of William the Conqueror, online http://www.william1.co.uk/. Hereinafter cited as Descendants of William the Conqueror.
- [S474] FamilySearch, online http://www.familysearch.com. Hereinafter cited as FamilySearch.
- [S9302] Martin Webber, “re: Simonds Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 10 Mar 2021. Hereinafter cited as “re: Simonds Family.”
Cecil d’Agular Samuda1 
- [S339] Descendants of William the Conqueror, online http://www.william1.co.uk/. Hereinafter cited as Descendants of William the Conqueror.
- [S9302] Martin Webber, “re: Simonds Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 10 Mar 2021. Hereinafter cited as “re: Simonds Family.”
Hermione Violet Markham1 
From 1902, her married name became Patton.1
- [S339] Descendants of William the Conqueror, online http://www.william1.co.uk/. Hereinafter cited as Descendants of William the Conqueror.
- [S474] FamilySearch, online http://www.familysearch.com. Hereinafter cited as FamilySearch.
Malcolm Patton1 
- [S339] Descendants of William the Conqueror, online http://www.william1.co.uk/. Hereinafter cited as Descendants of William the Conqueror.
Ethel Winifred Victoria Markham1 
From 23 July 1903, her married name became Smith.1
- [S339] Descendants of William the Conqueror, online http://www.william1.co.uk/. Hereinafter cited as Descendants of William the Conqueror.
- [S474] FamilySearch, online http://www.familysearch.com. Hereinafter cited as FamilySearch.
Archibald Francis Fletcher Smith1 
- [S339] Descendants of William the Conqueror, online http://www.william1.co.uk/. Hereinafter cited as Descendants of William the Conqueror.
- [S474] FamilySearch, online http://www.familysearch.com. Hereinafter cited as FamilySearch.
Hon. Gerald Walsh1,2 
He was General Inspector, Local Government Board.3
- [S339] Descendants of William the Conqueror, online http://www.william1.co.uk/. Hereinafter cited as Descendants of William the Conqueror.
- [S474] FamilySearch, online http://www.familysearch.com. Hereinafter cited as FamilySearch.
- [S134] Heraldic Media Ltd., online http://www.cracroftspeerage.co.uk/, Patrick Cracoft-Brennan (Cracroft Peerage Database v5.2), downloaded 1 November 2006.
Averil Constance Antoinette Janetta Markham1 
From 27 July 1916, her married name became Walsh.1
- [S339] Descendants of William the Conqueror, online http://www.william1.co.uk/. Hereinafter cited as Descendants of William the Conqueror.
- [S474] FamilySearch, online http://www.familysearch.com. Hereinafter cited as FamilySearch.
- [S134] Heraldic Media Ltd., online http://www.cracroftspeerage.co.uk/, Patrick Cracoft-Brennan (Cracroft Peerage Database v5.2), downloaded 1 November 2006.
