William FitzOsbern de Breteuil
He died after 1050.

 Adeliza de Toeni
Adeliza was born about 1035 in Tosni, Louviers, Eure, Normandy, France.  She died in 1066.  She was buried in Lire Abbey, France.

 Roger de Breteuil
Roger was born about 1050.

 Emma FitzOsbern de Breteuil
Emma FitzOsbern was born before 1066.

 William de Breteuil
William was born before 1066.