Evidence Reference
Douglas Richardson, Plantagenet Ancestry, 2nd ed. (2011)
Associated with Agnès 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
Agnès de Lusignan (c. 1230–1256) was a daughter of Hugh X and Isabelle d’Angoulême. She married Guillaume II de Chauvigny, founding the Chauvigny → Balzac → Drouin → Sasseville descent line confirmed in a 46,312-person GEDCOM tree.