Evidence Reference
Douglas Richardson, Plantagenet Ancestry, 2nd ed. (2011)
Associated with Guy de Lusignan
Citation
Douglas Richardson, Plantagenet Ancestry: A Study In Colonial And Medieval Families, 2nd ed. (Salt Lake City: Douglas Richardson, 2011), Lusignan article.
Supporting claim
supported
Guy de Lusignan (c. 1223–1264), Lord of Cognac and Archiac, was a son of Hugh X and Isabelle d’Angoulême. He accompanied Louis IX on the Seventh Crusade and was one of the Poitevin half-brothers of Henry III of England.