An Analysis of the Domesday Book of the County of Norfolk, p. 48, gives Peter's wife to be Albreda, daughter or sister of Eudo de Rey, Dapifer to Henry I782
Albreda married Peter de Valognes 782.,1352 (Peter de Valognes was born after 1033 in Valognes, Normandy, France and died in 1121/29.)