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Jean
de Mareuil
vicomte
de Mareuil-sur-Ay
seigneur
de Neufchâtel
Born circa 1080
Family
Married in 1095, with
Adélaïde de Ramerupt
(c. 1073 - ), dame d'Arcis-sur-Aube, issuing
Helvide
(c. 1100 - )
Genealogy
Descendants
Kinship Calculation