William I  de NATEUIL 9Montreuil)
William I  de was born in 0910.  He died at the age of 55 in 0965.

 Hilduin de Nateuil (Montreuil) de BRETEUIL
Hilduin de Nateuil (Montreuil) de was born in 0907 in Ponthieu, Ain, France.  He died at the age of 74 in 0981.