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Male Guillaume (the Great) V, Duc d'Aquitaine Click to view Guillaume (the Great) V, Duc d'Aquitaine in the family tree Click to view Guillaume (the Great) V, Duc d'Aquitaine in the family tree

Guillaume, known as the Great, was born in 0969 in Poitiers, Vienne, France.  The Great's father was Guillaume (Iron Arm) IV, Duc d'Aquitaine and his mother was Emma de Blois.  His paternal grandparents were Guillaume (Towhead) III, Duc d'Aquitaine and Adele de Normandie; his maternal grandparents were Count Theobald (the Cheat) of Blois and Luitgarde de Vermandois.  He was an only child.  He died at the age of 61 on January 31st, 1030 in France.


Family Details of the Great's family with Agnes de Bourgogne