William I Count De Ponthieu
William I Count was born about 0920.¹   He died about 0965.¹ 

 Maud
Maud was born in XX.¹   Maud is no longer alive.

 Baldwin II Count Flanders
Baldwin II Count was born about 0863.¹ 

 Hilduin De Ponthieu
Hilduin was born in 0944 in PONTHIEU, AIN, FRANCE.¹   He died at the age of 37 in 0981.¹ 

 Ernicule I of Boulogne
He died about 0972.¹