Note 540 — Chapter XXIII · THE PAPACY AND THE TEMPORAL POWERS IN THE LATER MIDDLE AGES

The Dauphiné was a region on the east side of the Rhone which, in 1349, was purchased of Humbert, Dauphin of Vienne, by Philip VI., and ceded by the latter to his grandson Charles, the later Charles V. (1364-1380). Charles assumed the title of "the Dauphin," which became the established designation of the heir-apparent to the French throne.