Guillaume I de Montfort

• Birth: about 960
• Death: 1018
• Father: Amaury I de Montfort

• Partner: Name Unknown
  
• +*Child: Amaury II de Montfort Born: about 1000 ⇒
+ Our research indicates that this child is Robert's ancestor.
* Our research indicates that this child is Janet's ancestor.

Ancestors of Guillaume I de Montfort

Descendants of Guillaume I de Montfort

• 1 Guillaume I de Montfort
= Name Unknown
• 2 Amaury II de Montfort
= Bertrade
• 3 Simon I de Montfort ⇒
• 3 Eva de Montfort