Henri Louis, Prince of Guéméné
…the Dukes of Brittany. He was the only son of the family's main branch chief, Jules Hercule Mériadec de Rohan, Prince of Guéméné, whereas his mother Marie Louise Henriette Jeanne de La Tour d'Auvergne (daughter of Charles Godefroy de La Tour d'Auvergne) had an illegitimate child with her lover, Charles Edward Stuart. On 15 January 1761, he married…