Prince of Guéméné
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Prince of Guémené is a title of French nobility associated with the fiefdom of Guémené-sur-Scorff in Brittany and held within the House of Rohan. The fiefdom was bought on 26 May 1377, for 3,400 sous d'or by Jean de Rohan, Viscount of Rohan. From his second marriage to Jeanne de Navarre (daughter of Philip III of Navarre) the couple had two children; the eldest Alain became the Viscount of Rohan. That branch became extinct in 1527. The younger child, Charles, was given the fiefdom of Guémené.
Charles was the founder of the Guémené line of the House of Rohan. From this line, stem the Princes of Soubise (founded by François de Rohan[1]) and the Princes of Rochefort (descended from Charles, Prince of Rochefort, son of Charles de Rohan).
The present male line descendants live in Austria, the family having fled France due to the French Revolution.