Hadewisa du Valois de Mortimer was born circa 1040 in France to Ralph IV of Valois (c1020-1074) and Adele of Bar-sur-Aube (c1020-1053) and died 1086 France of unspecified causes. She married Roger de Mortimer (1022-1078) 1063 JL in Normandy, France.
Roger married Hadewisa, a Lady who inherited the Mers-les-Bains on the river mouth of Bresle and the district of Vimeu. Her father might have been Ralph III "The Great", Count of Amiens. Roger and Hadewisa had at least three children: Ranulph, Hugh, and William
Children
Name | Birth | Death | Joined with |
Ranulph de Mortimer (c1065-1137) | 1065 | 1137 | Millicent |
Hugh de Mortimer (c1066-) | |||
William de Mortimer (c1068-) |
Siblings