Nivelon de Freteval II & Eustache de Lavardin 
They had a son named Ursion.
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Personal Details
Nivelon de Freteval II
Nivelon was born about 1045 in Fay-la-Nineuse,Vienne,Poitou,France.1 He died in 1129.
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Children
Ursion de Freteval
Ursion was born in 1095 in Freteval,Loir-et-Cher,Orleanais/Centre,France.2 He died about 1187.2
1 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=PED&db=andwai&id=I6255&style=TABLE
2 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=PED&db=andwai&id=I6245
2 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=PED&db=andwai&id=I6245