William the Conqueror King of England from 1066 to 1087, Duke of Normandy from 1035 to 1087 (1028–1087) (1028–1087) Parents Herleva Robert I, Duke of Normandy Children Robert Curthose Matilda of Normandy Constance of Normandy Adeliza Richard of Normandy Agatha of Normandy Alberta Adela of Normandy William II of England Henry I of England Cecilia of Normandy Siblings Robert, Count of Mortain Odo, Earl of Kent Adelaide of Normandy Muriel de Burgo Isabella de Burgo Partners Matilda of Flanders
