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| Date | Place | Source | |
| Born : | 22 Oct 1071 | Poitiers,Poitou,France | - | 
| Died : | 10 Feb 1127 | France | - | 
| Age : | 55 | 
| Ref. : | 3084 | 
| Notes : [] Titles: Duke of Aquitaine 1086 - 1126 Died of natural Causes at age 55 | 
| Father | Mother | 
| William VIII De Poitiers Duke of Aquitaine | Hildegard of Burgundy | 
| Marriage | Children | 
| Abt. 1094 - Philippa De Rouergue Queen of Aragon | - - Agnes De Poitiers Queen of Aragon Abt 1075 - Agnes Mathilde of Aquitaine 1099 - William X of Aquitaine Duke of Aquitaine | 
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