Osbern I de CREPON
Osbern I de was born about 1000 in Normandie, France.  Osbern I de is no longer alive.

 Emma of  IVREA
Emma of  was born about 1008 in Ivry, France.

 William FITZOSBERN
William was born about 1030 in Poitiers, Poitou, France.  He died in Flanders.