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Male Guillaume Ier de MONTFERRAT Click to view Guillaume Ier de MONTFERRAT in the family tree

Guillaume Ier de was born in 0990 in Montferrat, Alessandria (Italy).  Guillaume Ier de's father was Eudes de MONTFERRAT and his mother was Miss PIACENZA.  His paternal grandparents were Aledram de MONTFERRAT and Gerberga D'IVREE; his maternal grandfather was Riprand de PIACENZA.  He was an only child.  He died at the age of 52 on January 29th, 1042.


Guillaume Ier de's family with Warza de MONTFERRAT

They had a son named Othon de.