House of Chalon-Arlay
The House of Chalon-Arlay was a French noble house, a cadet branch of the House of Ivrea. The founder of the house is John I of Chalon-Arlay, fifth son of John, Count of Chalon. When John III lord of Arlay married to Mary de Baux, princess of Orange, the House acquired the principality of Orange.Gallery of Arms of House of Chalon-Arlay