The title "Duke of Châtellerault" originated from a commune in the Vienne department in the Nouvelle-Aquitaine in France, where its first titleholder was François de Bourbon-Montpensier in 1492.
The title "Duke of Châtellerault" originated from a commune in the Vienne department in the Nouvelle-Aquitaine in France, where its first titleholder was François de Bourbon-Montpensier in 1492.