born:  abt 1032
died: 22 November 1098 in Hinckley, Leicestershire, England
In 1067, he was invested with the government of England in the absence of King William,
along with William FitzOsbern and Bishop Odo.

Father: Robert de Grantmesnil
Mother:  Hawise d'Eschauffen

Spouse:  Adeliza de Beaumont

Children:
1. Agnes de Grantmesnil
2. Ivo de Grantmesnil