William VI Of Montferrat Count
William VI was born about 1172.  He died on September 17th, 1225.  He was buried in September 1225.

 Berta De Clavesana
Berta was born about 1182.  She died after 1244.  She was buried after 1244.

 Boniface III Of Montferrat Marquis
Boniface III was born about 1211.

 Beatrix Di Montferrat de Saint Bonnet
She died in 1274.  She was buried in 1274.