 To honor the marriage in 1350, Amadeus created the Order of the Black Swan.In 1349 Humbert II de La Tour du Pin, Dauphin de Viennois, the last Dauphin de Viennois, surrendered his title and principality to the future Charles V of France.At the time the new Dauphin was grandson of the current King Philip VI of France and son to his heir apparent, the later John II of France.