Hildouin Comte de Ponthieu
Hildouin Comte de was born about 0940 in Ponthieu,Somme,Picardy,France.  He died about 0981.¹ 

 Hildouin Count Of Breteuil
Hildouin Count Of was born in 0970 in Breteuil,Eure,Normandy,France.  He died at the age of 90 in 1060.

 Geoffrey I Lord Of Dunois
He died in 1000.