This Medieval title was used from 1349 to 1830 in France. It was held by the oldest Son to the serving King of France. The Provence of Dauphine became the territory of Philip of Valois, who promised to retain the title Provence identifier as an official title for the Kings heirs. Upon bestowing the title of “Dauphin” (of which he was addressed by), the heir would eventually become King. The title was the same as the term “Heir Apparent”.