Burke, Sir John Bernard, Genealogical and Heraldic History of the Peerage Baronetage and Knightage. 99th edition. London: Burke's Peerage, 1949. Available at http://archive.org/details/burkesgenealogic1949unse. Information from this source tagged as [Ref: Burke Peerage [cx0-9]*].
Ravilious, John, Richard de Draycott. Posting to soc.genealogy.medieval (email list GEN-MEDIEVAL) on 5/19/2004. Subject: Sir Richard de Draycott (d. ca. 1268) and the identity of 'Lady Orabilie'. Available at https://groups.google.com/g/soc.genealogy.medieval/c/lHIFzCQs7co/m/_QiaeSgwLDQJ. Author address: Therav3 at aol dot com. Information from this source tagged as [Ref: John Ravilious SGM 5/19/2004-230321].
Sources for birth and parent Information
father:
[Ref: Burke Peerage cclxxx]
Sources with Information about marriage to George V King Of England
date:
[Ref: Burke Peerage cclxxx],
child:
[Ref: Burke Peerage cclxxxi, John Ravilious SGM 5/19/2004-230321]