| William de Warenne I & Princess Gundred of England | |
| Husband | Wife |
| William de Warenne I | Princess Gundred of England |
|
b: Abt 1055 Of, Bellencombe, Seine Inferieure, France d: 24 Jun 1088 |
b: Abt 1063 Normandy, France d: 27 May 1085 |
| Marriage: Bef 1077 in Normandy, France. | |
| Parents | |
| Ralph de Warenne (998 - ) | King Le Conquerant / (1024 - 1087) |
| Beatrix do Rouen (1000 - ) | Queen Countess of Flanders / (1031 - 1083) |
| Grand Parents | |
| Ralph hugh de Warenne (988 - 1055) | Duke The Magnificent / (1003 - 1035) |
| Beatrice de Vascoeuif | Herleva de Falaise (1003 - 1050) |
| Count Badouin V of Flanders (1012 - 1067) | |
| Countess Adele of France (1003 - 1078-8 Jan 1079) | |
| Children (Family Detail) | |
| Editha de Warenne | - b: Abt 1060 Surry, Sussex, England |
| Warren / II | - b: Abt 1065 Of, Sussex, England |
| Reginald de Warenne II | - b: Abt 1082 of Sussex, England |
| Gundred de Warenne | - b: Abt 1085 of Sussex, England |