Medieval castle of Crédoz command, which included the 14th century (delphinales investigations and Pontifical) parishes: Cornier, Scientrier, Arenthon, Reignier, Pers, Jussy, and Arbusigny The Muraz in part.
Castle protected by double walls, ditches, with town and franchises. Located on the edge of the land of the counts of Geneva, the lords of Faucigny, he was the subject of many disputes referred to the 13th and 14th centuries. The counts of Geneva, the lords of Faucigny, Dolphins, the counts of Savoy, the Dukes of Nemours ... were successively by the owners without residing there. They entrusted the care and administration of the command to Crédoz lords chosen among the most beautiful feudal families of the time: Thoire, Menthon, Chevron Villette, Compois, Viry, of Sallenove of Valpergue of Geneva Lullin ...
Castle town were apparently ruined it in the 16th century during the wars against the Bernese and their allies, the king of France. The castle ruins of Crédoz are now both on the municipalities of Cornier and Pers-Jussy.
