William of Blois
(Guillaume de Blois-Champagne, Guillaume de Sully)
Count of Chartres and Champagne
Seigneur of Sully
He was precluded from the government of Blois because he was deemed mentally incompetent
Born (1083) at Blois - Died (1150)

Father - Stephen Henry of Blois
Mother - Adela of Normandy (3)

William married (1104) Agnes of Sully
Children :

• Elisabeth of Sully
• Eleonore of Blois
• Eudes Archambaud III of Sully
• Margaret of Sully
• Raoul of Sully
• Henry of Sully