*Amice Mowbray (Montbrai)
born about 1040 Montbrai, Manche, Normandie, France

father:
*Roger De Montbrai
born Abt 1025 Of Montbrai, Normandy, France
(end of information)

mother:
unknown

siblings:
Robert De Mowbray (Montbrai)
born Abt 1055 Of Bazoches, Normandy, France
died Aft 1125 Abbey, St Albans, Hertfordshire, England

spouse:
*Roger d'Aubigny
born about 1036 St. Sauver, Manche, Normandy, France
died after 1084

children:
*Nigel (Nele) "Scutifer Conquestoris" d'Aubigny
born 1066 (or 1080) Aubigny, Normandy, France
died November 1129 Thirsk, Yorkshire,England
*William d'Aubigny born about 1064 St. Sauveur, Manche, Normandie, France
died 1139 buried Priory, Wymondham, Norfolk, England
Rualoc d'Aubigny born about 1062 St. Sauveur, Manche, Normandie, France

biographical and/or anecdotal:

notes or source:
ancestry.com
Only one source mentioned Roger's spouse as being a Mowbray. However she was born at Montbrai which would make her a defacto De Montbrai.
Roger & Robert as relatives is uncorroborated.