It was held by a continuous line of counts until 1226. One of these, Geoffroy III, would have been a leader of the Fourth Crusade had he not died before the assembled forces could depart. The county then became a possession of the crown, which removed part of it to create the county of Alençon.
After 1325, both counties were generally held by a member or members of a cadet line of the House of Valois. Upon the death without children of the last Duke of Alençon in 1525, it returned to the crown, and was granted only sporadically thereafter.
Lords of Mortagne, lords of Nogent-le-Rotrou and viscounts of Châteaudun
After the death of Margaret of Navarre the fief went to the royal domain. Henceforth the title of duke of Perche was granted by the king from time to time.
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