Hugh II , also Lord of Abbeville (c. 1045 – 1052 ) Father (by one account) of both Enguerrand II and Guy I.
Enguerrand II ( 1052 – 1053 ). Married Adelaide II daughter of Robert I Duke of Normandy. Succeeded by his brother (or by his son) Guy I:
Guy I , ( 1053 – 1100 ) Son (or brother) of Enguerrand II. Succeeded in Ponthieu by his daughter (and only surviving child):
Agnes ( 1100 – bef. 1105 ) b. c. 1080 in Ponthieu, France; d by 1105 , possibly at the court of Adela, Countess of Blois to whom she had fled for refuge after imprisonment by her husband. Daughter of Count Guy I. Married c. 1087 (in the lifetime of the Conqueror) Robert Of Bellême, 3rd Earl Of Shrewsbury and Count Of Alençon . Succeeded in Ponthieu by her only child: