William I "Longsword", 2nd. Duke of Normandy
893 - 942 (49 years)(Notes: You may have to scroll down or right to see chart.)
| Robert "the Devil", 6th. Duke of Normandy | |
| B: | 22 Jun 1000 |
| Normandy, France | |
| D: | 3 Jul 1035 |
| Nicaea, Turkey | |
Herleva of Falaise Unknown-Aft 1027 |
| Herleva of Falaise | |
| B: | Unknown |
| D: | Aft 1027 |
| Richard II "the Good", 4th. Duke of Normandy | |
| B: | 23 Aug 963 |
| Normandy, France | |
| D: | 28 Aug 1027 |
| Normandy, France | |
| Judith of Brittany 982-1017 |
| Judith of Brittany | |
| B: | 982 |
| D: | 1017 |
| Richard I "the Fearless", 3rd. Duke of Normandy | |
| B: | 28 Aug 933 |
| Fecamp, France | |
| D: | 20 Nov 996 |
| Fecamp, France | |
| Gunnora Abt 936-Abt 1031 |
| Gunnora | |
| B: | Abt 936 |
| D: | Abt 1031 |
|
| William I "Longsword", 2nd. Duke of Normandy | |
| B: | 893 |
| D: | 17 Dec 942 |
| Adele of Bretagne Unknown-Aft 933 |
| Adele of Bretagne | |
| B: | Unknown |
| D: | Aft 933 |