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Male Guillaume III De Montferrat Marquis Click to view Guillaume III De Montferrat Marquis in the family tree

Guillaume III was born about 1110.  Guillaume III's father was Regnier De Montferrat Marquis and his mother was Gisela Of Burgundy.  His paternal grandfather was Guillaume II De Montferrat Marquis and his paternal grandmother is Otta D Aglie; his maternal grandfather was William II Of Burgundy Count and his maternal grandmother is Stephanie Of Barcelona. He had a sister named Jeanne. He had a half-brother and two half-sisters, named Amadeo III (Amadeus), Adelaide and Agnes.  He died in 1188.  He was buried in 1188.


Guillaume III's family with Judith Of Austria

‌Guillaume III and Judith were married in a religious ceremony about 1140.  They had a son and two daughters, named Boniface I, Beatrice and Alice.

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