Guillaume V III , "the Grand" Duke of AQUITAINE, COUNT OF POITIERS
He married Agnès Countess of Burgundy Bef Mar 1018 at France . Agnès Countess of Burgundy was born at of Bourgogne, France Abt 987 daughter of Otto Guillaume Count of Burgundy, King of Lombard and Ermentrude Irmtrude Countess of Rheims .
They were the parents of 4
children:
Pierre-Guillaume V d' Aquitaine, Duke of Guyenne
born Abt 1019.
Agnès Princess of Aquitaine
born Abt 1020.
Guillaume VIII Guy Geoffroy , Duke of Aquitaine
born Abt 1026.
Béatrice d' Aquitaine
born Abt 1027.
Guillaume V III , "the Grand" Duke of Aquitaine, Count of Poitiers died 31 Jan 1030 at France .
Agnès Countess of Burgundy died 10 Nov 1068 .