Alain Charles Louis de Rohan-Chabot (1 December 1844 – 6 June 1914), Prince of Léon, 11th Duke of Rohan, deputy of Morbihan.

He was the son of Charles Louis Josselin de Rohan-Chabot (1819–1893), 10th Duke of Rohan, and Octavie Rouillé de Boissy (1824–1866).

[2] His maternal grandparents were Hilaire-Etienne-Octave Rouillé, Marquis of Boissy, and Amélie-Charlotte-Julie de Musnier de Folleville.

[1] The Prince of Léon was a Royalist Deputy to the National Assembly for the Ploermell division of Morbihan and a member of the Departmental council.

Together, they were the parents of five children:[1] They lived at the Hôtel de Verteillac (renamed Hôtel de Rohan), 35 boulevard des Invalides in Paris, the Château de Josselin in Morbihan, and the Chalet des Fées in Pontaillac, built by his wife's father, the Marquis de Verteillac, on the Défé estate he had acquired in 1865.