François-Agénor-Alexandre-Hélie, 9th duc de Noailles (b. 20 November 1905), is the nephew of Adrien-Maurice-Victurnien-Mathieu, 8th duc de Noailles. He acceded to the title of duc de Noailles on his uncle's death in 1953. His son, Hélie-Marie-Auguste-Jacques-Bertrand-Philippe de Noailles, duc d'Ayen (b. 1943), is the heir-apparent.
