Osbern de Preaux
Osbern was born before 1066 in Preaux, Normandy, France.  He died after 1156 in Eastervale, Devonshire, England.

 Marie de Preaux
Marie was born about 1070 in Preaux, Normandy, France.  Marie is no longer alive.

 Pierre de Preaux
Pierre was born about 1090 in Eastervale, Devonshire, England.