*Guillaume I Marquis de Montferrat

father:
*Otto I Marquis de Montferrat
born about 0880

mother:
*Gerberge of Ivrea

siblings:
unknown

spouse:
*Uvasa wife of Guillaume I Marquis de Montferrat
(end of information)

children:
*Boniface I of Montferrat

biographical and/or anecdotal:

notes or source:
ancestry.com