Guillaume I (William) Comte de Alencon & UNKNOWN & Mathilda (Maud) de GANELON 
They had a son named Guerin (Warin) Seigneur de.
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Personal Details
Guillaume I (William) Comte de Alencon & UNKNOWN
Guillaume I (William) Comte de Alencon & was born about 0966 in Belleme, Perche, France. He died in 1028.
Mathilda (Maud) de GANELON
Mathilda (Maud) de was born in 0970 in Ganelon, France. Mathilda (Maud) de is no longer alive.
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Children
Guerin (Warin) Seigneur de DOMFRONT & Montagne
Guerin (Warin) Seigneur de was born in 0994 in Belleme, Perche, France. He died at the age of 32 in 1026 in Domfront, Normandie (Normandy), France.