Herfast or Herbastus de Crepon, b: 950


			^{Herfast of Arque}^b. 885 d.

		^{Herbastus de Crepon}^{b. 911 Normandy, France d.1002}	^{Elfgifu of Wessex}^b. 860 d.

	^{Herfast or Herbastus de Crepon}^{b. 950 France d.}

		^{Gunnhild Olafsdottir}^b.923 d.

^{Osborne de Crepon}^{b. 976 d.1035}