Gervase le BRETON 
He had a biological son named Robert de.
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Personal Details
Gervase le BRETON
Gervase le was born about 0960 in Brittany, France. Gervase le is no longer alive.
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Children
Robert de GRENTEMESNIL
Robert de was born about 0990 in Grentemesnil, France. He died on June 17th, 1039 in France.