Robert de Grandmesnil

  Information about this person:

• Background Information. ¹⁹⁰
Hugh de Grandmesnil was the son of Hawise, daughter of Giroie and of Robert de Grandmesnil. He married a daughter of Ivo of Beaumont-sur-Oise and they had five sons and five daughters. His son Ivo married a daughter of Gilbert de Gant.

~The Aristocracy of Norman England, p. 352

Robert married Hawise d'Échauffour, daughter of Giroie d'Échauffour and Gisèla de Montfort-sur-Risle.¹⁶⁷