Robert, Count of Mortain Norman nobleman and the uterine half-brother of William the Conqueror (1031–1090) Parents Herleva Herluin de Conteville Children Denise de Mortain William, Count of Mortain Agnes de Mortain Emma of Mortain Siblings Odo, Earl of Kent William the Conqueror Adelaide of Normandy Muriel de Burgo Isabella de Burgo Raoul de Conteville Emma de Contville Partners Matilda de Montgomery Almodis (?)
