Count Hugh de Ponthieu-Montreuil I
Hugh was born in 0956.  He died at the age of 44 in 1000.

 Princess Gisella Capet of France
Gisella was born in 0969.

 Enguerrand de Ponthieu I
Enguerrand was born in 0980.  He died at the age of 66 on December 9th, 1046.

 Princess Gisela de Ponthieu-Montreuil
Gisela was born in 0990.