Events
Date of Birth: unknown.
Place of Birth: unknown.
Date of Death: 1 April 1212.
The date is given by Crouch (ODNB).
Relationships
Father: William, lord of Grandmesnil in Normandy.
Crouch (ODNB) states: “Her father’s name is known only from a grant by her to the abbey of St Evroult in his memory. It is assumed that Guillaume was the son of Robert (II) de Grandmesnil (d.c. 1136), the last lord of Grandmesnil mentioned by Orderic Vitalis, but this is by no means certain.”
Mother: unknown.
Spouse: Robert de Breteuil (about 1130 - 1190).
This relationship is given by Crouch (ODNB).
Children:
(Complete source citations for facts about the children on this page are currently outside of the scope of this project.)
William de Breteuil (died 1189).
Robert de Breteuil (died 20 or 21 October 1204), fourth earl of Leicester, married Loretta de Briouze.
Roger. Bishop of St Andrews.
Amice (died September 1215) married (1) Simon de Montfort the younger, count of Évreux; married (2) William des Barres the elder.
Margaret married Saer de Quincy.
Hawise, a nun at the priory of Nuneaton.
Petronilla.
References
Crouch, David.”Breteuil, Robert de, third earl of Leicester (c. 1130-1190)” in the Oxford Dictionary of National Biography (Oxford University Press, 2004).
Crouch, David.”Grandmesnil, Petronilla de, countess of Leicester (d 1212)” in the Oxford Dictionary of National Biography (Oxford University Press, 2004).
Oram, Richard D. “Quincy, Saer de, earl of Winchester (d. 1219)” in the Oxford Dictionary of National Biography (Oxford University Press, 2004).