Click to expand/collapse all other details

Male Guillaume IX , Duke of Aquitaine Click to view Guillaume IX , Duke of Aquitaine in the family tree

Guillaume IX , Duke was born about October 22nd, 1071.  Guillaume IX , Duke's father was William IV , Count of Poitou and his mother was Hildegarde\Aldegarde of Burgundy.  His paternal grandparents were William III "The Great" , Count of Poitou and Agnes deBourgone; his maternal grandparents were Robert The Old , Duke of Burgundy and Helie of Semur.  He was an only child.


Guillaume IX , Duke's first family with Maud of Toulouse

‌Guillaume IX , Duke and Maud were married in a religious ceremony in 1094.  They had a son and a daughter, named Guillaume X , Duke and Maud.


Guillaume IX , Duke's second family

He had a biological son named Aimar I de Poitiers , Count.

Page last modified