Robert DE GRENTMESNIL
Robert was born in 1003 in Normandy, France.  Robert is no longer alive.

 Advise DE ESCALFOY
Advise was born in 1007 in Normandy, France.

 Hugh DE GRENTMESNIL
Hugh was born in 1032 in Normandy, France.  He died at the age of 66 on February 22nd, 1098.