Guillaume de Ponthieu
He had a biological son named
Hildouin
.
Personal Details
Guillaume de Ponthieu
Guillaume was born in 0916. He died at the age of 49 in 0965.
Children
Hildouin de Ponthieu
Hildouin was born in 0936. He died at the age of 44 in 0980.
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Guillaume de Ponthieu 
