* Gervase de Grentmesnil
He had a biological son named
* Robert
.
Personal Details
* Gervase de Grentmesnil
* Gervase was born in 0977. * Gervase is no longer alive.
Children
* Robert de Grentmesnil
* Robert was born about 1003 in
Normandy FRA
. He died on June 17th, 1039.
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* Gervase de Grentmesnil 
