Abt 1026 - Birth of his biological father Ivo Viscount of Contentin at Normandy, France 

Abt 1026 - Birth of his biological mother Emme Bretagne at Normandy, France 

22 May 1059 - Death of his biological father Ivo Viscount of Contentin at Cotentin, Manche, Basse-Normandy, France 

1061 - Birth at Normandy, France 

1096 - (35 years) Death at Cheshire, England 

1096 - (35 years) Birth of his son Hugh Dutton at Kekwick, Cheshire, England 

1120 - Death of his biological mother Emme Bretagne