Herbastus "The Dane" De Crepon
Herbastus "The Dane" was born in 0911.  He died at the age of 70 in 0981.

 Senfria De Crepon
Senfria was born in 0934.

 Woerta (Wevia) De Crepon
Woerta (Wevia) was born in 0942 in Port Audemer, Normandy.¹ 

 Duvelina De Crepon
Duvelina was born in 0946.

 UNKNOWN De Crepon

 Osbern d'Normandy Crepon
Osbern d'Normandy was born in Normandy.  He died in 1035.