Count of Poitiers and Duke of Aquitaine Ranulf I of Aquitaine
820 - 866 (46 years)(Notes: You may have to scroll down or right to see chart.)
| William III of Aquitaine | |
| B: | 915 |
| D: | 3 Apr 963 |
| Gerloc of Normandy | |
| A: | 912 |
| Rouen, Seine-Maritime, Haute-Normandie, France | |
| Ebalus of Aquitaine | |
| B: | 870 |
| D: | 935 |
| Ranulf II of Aquitaine | |
| B: | 850 |
| D: | 5 Aug 890 |
| Ranulf I of Aquitaine | |
| B: | 820 |
| D: | 866 |
