"Wauterii comitis, Walterii et Radulfi filiorum eius" subscribed a charter dated 975 under which "Hugo Francorum dux" restored the abbey of Saint-Jean to the abbey of Sainte-Croix d'Orléans. A charter of "Hugo…Francorum rex" confirming the privileges of the monastery of Corvey dated 987 is subscribed by "Walteri comitis Ambianensis ac filiorum eius Walteri, Gotfredi, Rodulfi".
Comte de Mantes. "Walterius comes" donated property "prope nostrum castellum…Medanta" to "Carnotensi monasterio Sancti Petri", for the soul of "coniugis mee Adelidis filiorumque meorum", by charter to [1006], signed by "Walterii comitis, Rodulfi filii eius, Drogonis filii eius…".
Comte d'Amiens et du Vexin. 1
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