Gerard Seigneur de HESDIN 
He had a biological son named Arnulf (Ernulf) Seigneur de.
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Personal Details
Gerard Seigneur de HESDIN
Gerard Seigneur de was born about 1015 in Hesdin, Picardy, France. Gerard Seigneur de is no longer alive.
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Children
Arnulf (Ernulf) Seigneur de HESDIN
Arnulf (Ernulf) Seigneur de was born about 1038 in Hesdin, Pas-de-Calais, France. He died after 1091 in England.