Hercule Mériadec, Duke of Rohan-Rohan

Hercule Mériadec de Rohan, styled Duke of Rohan-Rohan, was a member of the princely House of Rohan. He married twice and was the grandfather of the Maréchal de Soubise. His first wife was the daughter of Madame de Ventadour. He is known in contemporary texts as the prince de Rohan.