Osbern Geoffrey De Bolbec
Osbern was born about 0950 in Normandy, France.  He died in 1027.

 Avelina De Crepon De Arques
Avelina was born about 0950 in Pont-Audemer, Eure, France.  She died in 1048.

 Walter Walter Gyffarde
Walter was born about 0965 in Longueville, Normandy, France.

 Josceline De Bolbec
Josceline was born about 0975 in Longueville, Normandy, France.

 Beatrice De Bolebec
Beatrice was born about 0975 in Longueville Norm, Longueville, Normandy, France.

 Osbern Gyffarde Osbern II/Osbern
Osbern Gyffarde was born in 0977 in Longueville, Normandy, France.  He died before 1096 in France.