William married Joan Of ENGLAND on 13 Feb 1177. Joan (daughter of Henry II 'Curtmantle' King Of ENGLAND and Eleanor Of AQUITAINE) was born in Oct 1165 in Angers, France; died on 04 Sep 1199 in Rouen, Normandie; was buried in Fontevrault Abbey, Fontevrault, Maine-Et-Loire, France. [Group Sheet] [Family Chart]