Humbert I (Viennois)

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Bust in the museum in Grenoble

Humbert I. de La Tour-du-Pin (* around 1240; † April 12, 1307 ) was lord of La Tour-du-Pin before he became Dauphin of Viennois through his marriage . He was the son of Albert III. de la Tour-du-Pin († 1264) and Béatrice de Coligny. His mother was the daughter of Hugues I, lord of Coligny-le-Neuf , and Béatrice d'Albon , daughter of the Dauphine du Viennois of the same name .


He initially embarked on a spiritual career, while his eldest brother Albert IV inherited their lords La Tour-du-Pin and Coligny-le-Neuf after the death of his parents. When Albert IV died childless in 1269, Humbert succeeded him.

In 1273 he married his third cousin, Anna of Burgundy , daughter of Guigues VII († 1269), Dauphin du Viennois. When his brother-in-law Jean I died in 1282 without heirs, Humbert became Dauphin from his wife's right .

Through the inheritance, the Dauphiné and the Barony La Tour-du-Pin were merged, whereby the Dauphin's possession shifted between Savoy and the Bresse , which belongs to Savoy . Count Philip I of Savoy did not want to accept this new situation and in the same year covered his neighbor with war. As was customary at the time, this confrontation was a series of skirmishes that were interrupted to rob the crops and terrorize the residents. The war ended in 1286 with a treaty signed in Paris.

In the same year the castellan of Bellecombe , Aimeric de Briançon , was forced to submit to him by Amadeus V , the new Count of Savoy, which shifted the border between the Savoy and the Dauphiné to the towns of La Buissière and Avalon . Humbert I reacted to the development by offering Aimeric to swap Bellecomte for Varces , which, to the horror of the Count of Savoy, he accepted in 1289.

Amadeus responded to this agreement by destroying Bellecombe, followed by a campaign by the Grésivaudan and the siege of La Terrasse castle , defended by castellan Hugues d'Arces. The attack on the castle failed, Amadeus withdrew, but had given Humbert the time to raise a small army with which he defeated Amadeus in the Servette forest between Barraux and Chapareillan. This war ended in 1293 with the Treaty of Saint-Jean-de-Moirans.

Mainly because of his conflict with the Count of Savoy, Humbert was later excommunicated , but this did not prevent him from entering the Charterhouse of Val Sainte Marie as a monk in 1306, where he died and was buried in 1307.


Humbert had nine children with Anna of Burgundy:

In addition, Humbert had at least two illegitimate children.

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predecessor Office successor
Albert IV Lord of La Tour-du-Pin
Lord of Coligny-le-Neuf
Jean II
Anna of Burgundy Dauphin of Viennois
(de iure uxoris )
Jean II