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Male William I , Seigneur de Montmirail&Authon Gouet Click to view William I , Seigneur de Montmirail&Authon Gouet in the family tree

William I , Seigneur de Montmirail&Authon was born about 1005 in Autun,Saone-et-Loire,Bourgogne,France.  He died before 1064 in Montmirail,Sarthe,Maine/Pays-de-la-Loire,France.

William I , Seigneur de Montmirail&Authon's family with Matilda (Mahaut) de Alluyes

‌William I , Seigneur de Montmirail&Authon and Matilda (Mahaut) de were married in a religious ceremony in 1st husband.  They had a son and a daughter, named William II , Seigneur de Montmirail and Hildeburge.

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