"Charles de Rohan (16 July 1715 – 1 July 1787), duke of Rohan-Rohan, seigneur of Roberval, and marshal of France from 1758, was a military man, and ...
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a minister to the kings Louis XV and Louis XVI. The last male of his branch of the House of Rohan, he was also the great-grandfather to the duc d'Enghien, executed by Napoleon in 1804. Styled prince d'Epinoy at birth, he became the Prince of Soubise after 1749." - (en.wikipedia.org 06.07.2021)