Roger de St. Sauveur
Roger de was born in Normandy, France.  He died after 1016.

 Hammon de St. Sauveur
Hammon de was born about 1007 in Normandy, France.

 Neil II de St. Sauveur
Neil II de was born in St. Sauveur, Seine-Maritime, Normandy,  France.  He died in Battle of Hastings.