abstract:Louis René Édouard de Rohan known as Cardinal de Rohan (25 September 1734 – 16 February 1803), prince de Rohan-Guéméné, was a French bishop of Strasbourg, politician, cardinal of the Roman Catholic Church, and cadet of the Rohan family (which traced its origin to the kings of Brittany). His parents were Hercule Mériadec, Prince of Guéméné and Louise Gabrielle Julie de Rohan.