Boniface I De Montferrat Marquis
Boniface I was born about 1010 in , , , Normandy.  He died on November 20th, 1084.  He was buried in 1084.

 Marie ()
Marie was born about 1014 in , , , Normandy.

 Guillaume II De Montferrat Marquis
Guillaume II was born about 1040 in , , , Normandy.  He died about 1120.  He was buried about 1120.