Guglielmo married Princess Joanna Of ENGLAND on 13 Feb 1176 in St Egidius,Palermo,Palermo,ITALY. Princess (daughter of King of England Henry ll CURMANTLE and Princess Eleanor DE AQUITAINE) was born in Oct 1164 in Angers,Maine-Et-Loire,France; died on 04 Sep 1199 in Rouen,Seine-Maritime,France; was buried in Fontevrault L'Ab,Maine-Et-Loire,France. [Group Sheet] [Family Chart]