Robert de GRENTMESNIL
Robert de was born about 1003 in Normandy, France.  He died in 1038.

 Hawise de ESCHAUFFOUR
Hawise de was born in 1007 in Montreiul, Pas-de-Calais, Picardy, France.

 Hugh de GRANDMESNIL
Hugh de was born in 1030 in Grentmesnil, Calvadosm, Normandy, France.  He died in Leicestershire, England.