Humbert II of Viennois

Humbert II (1312–1355), the last dauphin of Viennois, was abroad in Hungary and Naples when he was recalled in 1333 to replace his brother Guigues VIII, killed assaulting a castle. His lavish court outran his means, yet he was a notable administrator: the Conseil delphinal in 1337, Grenoble University in 1339, and in 1343 the Charter of the Escartons, which gave the Briançonnais self-rule.

After his only son André died in 1335 he tried to sell his lands, and in 1345 led a papal crusade to relieve Smyrna, beating the Turks before returning ruined in 1347.

By the Treaty of Romans in 1349 he sold the Dauphiné to Philip VI and invested the king's grandson Charles, the first French dauphin. Humbert became a Dominican and Latin patriarch of Alexandria, and died in 1355.