| Male William IV of Aquitaine, Duke of Aquitaine, Count of Poitou from 963 to his retirement in 990 |
| Birth | 937 | |
| Death | 3 Feb 994 | |
| Burial | ||
| Marriage | ||
| Father | William III of Aquitaine, Duke of Aquitaine | F4724 Group Sheet | |
| Mother | ||
| Male William V (William the Great) of Aquitaine, Duke of Aquitaine |
| Birth | ||
| Death | ||
| Burial | ||
| Spouse | Agnes of Burgundy, Duchess of Aquitaine | F366 | |
| Marriage | 1019 | |