Joan Giovanna De Montferrato, [Countess]

Joan married William III Prince Normandy Dec 1126. William (son of Robert III Prince England, [Duke] and Sibyl (Sibille) De Conversana) was born 1100, , Rouen, Seine-Maritime, France; died 20 Jul 1128, , Alost, Flanders, France; was buried Abbychchstbertin, St Omer, Pas-de-Calais, France. [Group Sheet]