Matildis de Montgomery ¹

   Another name for Matildis was Mathilde de Montgomerie.

  Research Notes:

From http://cybergata.com/roots/3960.htm :

Guillaume de Jumièges -- She is named and her parentage given by Orderic Vitalis, who lists her second among her father's daughters by his first marriage and names her husband. She married (before 1066) as his first Herluin Vicomte de Contéville & his first wife Herlève. (after 1040-8 Dec 1090, bur abbaye de Grestain).

Matildis married Robert de Burgo Count of Mortain, son of Herluin de Conteville Viscount of Conteville, Count of Crespon and Harlette de Falaise. (Robert de Burgo Count of Mortain was born about 1031 in Mortain, (Manche), Normandy, France, died on 8 Dec 1095 in Abbey St-Germain-de-Montgomery, (Calvados), Normandy, (France) and was buried in Grestain Abbey, (Eure), Normandy, France.)