Enguerrand I, Count of Ponthieu
Enguerrand I was the son of Hugh I of Ponthieu and Gisela, daughter of Hugh Capet.With his first wife Adelaide, daughter of Arnulf, Count of Holland, they had:
His second wife has been identified as the wife of Count Arnold II of Boulogne, they had:
Enguerrand died around 1045 "at a great age."