Ravilious, John, Thomas Bosville and Isabel Hastings. Posting to soc.genealogy.medieval (email list GEN-MEDIEVAL) on 12/10/2004. Subject: Plantagenet Descent: Edward I to Symmes of Barnsley. Available at https://groups.google.com/g/soc.genealogy.medieval/c/iLEIyBct5Ow/m/LbeyOrnt7iMJ. Author address: Therav3 at aol dot com. Information from this source tagged as [Ref: John Ravilious SGM 12/10/2004-125310].
Richardson, Douglas, Royal Ancestry. Salt Lake City, Utah: Douglas Richardson, 2013. NYPL JFF 16-1184 v1-5 Information from this source tagged as [Ref: Richardson RoyalAnc v4p[0-9]*].
Sources for birth and parent Information
parents:
[Ref: John Ravilious SGM 12/10/2004-125310, Richardson RoyalAnc
v4p342]