Jules
Prince of Guéméné
Born	(1726-03-25)25 March 1726 Paris, France
Died	10 December 1788(1788-12-10) (aged 62) Belgium
Spouse	Marie Louise de La Tour d'Auvergne
Issue	Henri Louis, Prince of Guéméné
Names Jules Hercule Mériadec de Rohan
House	Rohan
Father	Hercule Mériadec, Prince of Guéméné
Mother	Louise Gabrielle Julie de Rohan

Jules de Rohan (Jules Hercule Mériadec; 25 March 1726 – 10 December 1788) was Prince of Guéméné.^[1] Born in Paris, he died in Carlsbourg in the Walloon Region of Belgium.

Jules was the oldest son of Hercule Mériadec, Prince of Guéméné (1688–1757) and Louise Gabrielle Julie de Rohan (1704–1741).

His maternal grandparents were Hercule Mériadec de Rohan, Prince of Soubise and Anne Geneviève de Lévis.

On 10 February 1743 he married Marie Louise de La Tour d'Auvergne (1725–1793), daughter of Charles Godefroy de La Tour d'Auvergne, Duke of Bouillon and Maria Karolina Sobieska. Together, Jules and Marie Louise had one son:

• Henri Louis de Rohan, Duke of Montbazon, Prince of Guéméné (1745–1809), who married a second cousin, Victoire de Rohan, daughter of Charles de Rohan, Prince of Soubise and Anne Therese of Savoy; she was the sister of the Princess of Condé and posthumous step-daughter of Madame de Soubise.

The Prince of Guéméné died in Belgium in 1788.^[2] His son, daughter-in-law, and grandchildren fled to Bohemia before the French Revolution.