Robert DE GRANTMESNIL
Robert was born in 1003 in Grandmesnil, Calvados.  He died at the age of 36 in 1039 in In a Battle between the DE Toeni And the Beaumont Families.

 Hawise D'ESCHAUFFEN
Hawise was born in 1007.

 Lord/ Hugh II DE GRANDMESNIL
Hugh II was born in 1032 in Hinckley, Leicestershire, England.