Viscount Richard le Goz d' Avranches
Richard le Goz was born about 1008 in AvranCheshire, Normandy, France.  He died after 1084.¹ 

 Emma de Conteville
Emma de was born about 1029 in Conteville, France.  She died in France.

 Margaret d' Avranches
Margaret was born about 1054 in AvranCheshire, Normandy, France.