Humbert I of Viennois

Humbert I of Viennois (c. 1240 – 12 April 1307) was baron of la Tour-du-Pin and then also became, by his marriage, dauphin of Viennois. He was the son of Albert IV, baron of la Tour-du-Pin, and of Béatrice de Coligny (herself the daughter of Hugh I, lord of Coligny and of Béatrice d'Albon, dauphine of Viennois).

In 1273 he married Anne of Burgundy (daughter of Guigues VII of Viennois) - their six children were:

• John II (1280 † 1319), succeeded his father as dauphin of Viennois
• Hugues († 1329), baron de Faucigny
• Guigues († 1319), seigneur de Montauban.
• Alix (1280 † 1309), married John I (1275 † 1333), count of Forez in 1296
• Marie, married Aymar de Poitiers-Valentinois
• Marguerite, married Frederick I († 1336), marquis de Salucce in 1303
• Béatrice (1275 † 1347), married Hugh I of Chalon-Arlay in 1312
• Henri (1296 † 1349), bishop of Metz
• Catherine († 1337), married Philip of Savoy (1278 † 1334), count of Piedmont and prince of Achaea in 1312