WILLIAM THE BASTARDor WILLIAM I THE CONQUEROR (Cliff, circa 1027 - Rouen, 1087.) Duke of Normandy (1035-1087) and King of England (1066-1087). Illegitimate son of the Duke of Normandy Robert* le Diable and Arlette, daughter of a skinmaker from Falaise.Before his departure for the Holy Land (1034), D