General Notes

Geoffrey Wac/Wake; allegedly of Flemish extraction and possibly kin to the Vicomtes of the Bessin, Normany; held land near Bayeux in the Bessin, also in the Channel Islands, where after Geoffrey of Anjou, husband of the Empress Maud, wrested Normandy from King Stephen in 1142 the Guernsey fief of the forfeited Vicomte of the Bessin (Ranulf of Bayeux, Earl of Chester) was divided between the Wakes and the Abbey of Mont St Michel; probably married twice and died by 1168, probably as early as 1142. [Burke's Peerage]

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GEOFFREY WAC (b), who was born almost certainly before 1100, held land in Guernsey, as well as land, probably in the Cotentin, where he built a mill. It is probable that he married twice, but nothing is known
of his wives or wife. He was dead in 1168, probably in 1142.  [Complete Peerage XII/2:295, (transcribed by Dave Utzinger)]

(b) The name Wac is clearly a nickname, but the meaning is uncertain.  The caput baroniae in Normandy was at Negreville, Manche, arr. Valognes.