Guy I of Ponthieu

• Death: 13 October 1100

• Partner: Adela
  
• +*Child: Agnes de Ponthieu ⇒
•   Child: Enguerrand de Ponthieu
+ Our research indicates that this child is Robert's ancestor.
* Our research indicates that this child is Janet's ancestor.

Descendants of Guy I of Ponthieu

• 1 Guy I of Ponthieu
= Adela
• 2 Agnes de Ponthieu
= Robert of Bellême Marriage: before 9 September 1087
• 3 William of Ponthieu ⇒
• 2 Enguerrand de Ponthieu