Osborne de Crepon, b: 976 -


			^{Herbastus de Crepon}^{b. 911 Normandy, France d.1002}

		^{Herfast or Herbastus de Crepon}^{b. 950 France d.}	^{Gunnhild Olafsdottir}^b.923 d.

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



^{William FitzOsborne}^{b.1002 Herefordshire, England d.1070}			^{Asperling de Vaudrevil}^{b. 905 Vaudreville d.}

		^{Ralf de Ivri}^{b. d.}	^{Sprota de Bretagne}^{b. 907 Bretagne, France d.945}

	^{Albreda (Emma) of Ivry}^{b. Bayeux d.}

		^Albreda^{b. d.}