"I'm not sure that Rotrou the First was Count of Chateaudun. Rotrou made the mix of different parts of lands to create the County of Perche. It was made from territories near the cities of Nogent-le-Rotrou, Bellême et Mortagne. You may find more info at"

http://www.mairie-thiron-gardais.fr/perche.html - Karl 2/98

References: [PlantagenetA],[AR7],[Paget1],[ConverseA]