Charles Jules de Rohan (Charles Jules Armand; 29 August 1729 – 18 May 1811) was a French nobleman and Prince of Rochefort. He was the father of Charlotte Louise de Rohan, secret wife of the executed duc d'Enghien.

Born to Charles de Rohan, the Prince of Rochefort and his wife Eléonore Eugénie de Béthisy de Mézières. He was the second child of four and their eldest son.

His family claimed ancestry from the regining Dukes of Brittany and at the French court, were allowed the rank of Foreign Prince. This entitled them to the style of Highness and other privileges at court.

Styled as the Prince of Montauban from birth, at the death of his father in February 1766 he became the Prince of Rochefort which was created a hereditary title in 1728.

He married Marie Henriette Charlotte d'Orléans-Rothelin, daughter of Alexandre d'Orléans, Marquis of Rothelin and Marie-Catherine de Roncherolles. The couple were wed at the Église Saint-Sulpice by contract in Paris on 20 May 1762 and officially on 24 May. The marriage produced five children only one of which went on to have further issue.

His older sister Éléonore married Jean de Merode, son of Jean Philippe de Merode. His younger sister was Madame de Brionne, the famous salon hostess and wife of Louis de Lorraine, Prince of Brionne.

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