Gervase le Breton & partner 
They had a son named Robert.
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Children
Robert de Grentmesnil
Robert was born in 0990 in Grentemesnil, Calvados, Normandy, France.2 He died at the age of 49 on June 17th, 1039 in Grentemesnil, Calvados, Normandy, France.2
1 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=GET&db=michaelrneuman&id=I071577
2 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=PED&db=michaelrneuman&id=I011900&style=TABLE
2 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=PED&db=michaelrneuman&id=I011900&style=TABLE