Herfast

  Noted events in his life were:

• Web Reference: Robert de Torigny and the family of Gunnor, Duchess of Normandy. ¹⁹³ Arfast/Herfast, is the brother of Gunnor, mistress of Richard I, Duke of Normansy. His son was Osbern, who was the steward to the later Dukes, and was murdered by William de Montgomery while defending Duke William.