William Fitz Osbern

     William was born in Poitiert, Poitou, France. William married Alice Tosni, daughter of Roger de Tosni and Adelaide Borrell of Barcelona, after 1051 in France. He founded the Abbey of Cormeilles about 1060. William departed this life on Monday, 20 February 1071 in Flanders, France. He was buried at Saint-Pierre-de-Cormeilles, Normandy, France, in the Cormeilles Abbey.