Agnes Heiress of Montreuil & Ponthieu 
Agnes Heiress of Montreuil & was born about 1065 in Ponthieu, France. She died after 1100.
They had a son named William III.
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Children
William III Talvas , Count of Alencon & Ponthieu
William III was born in 1084 in Alencon, Orne, France. He died at the age of 87 on June 30th, 1171.
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