Governor of the Bastille of Acy, lord of Beu and Nesle-en-Tardenois, chamberlain of the King. He is quoted in numerous documents between 1386 and November 1404, date of his death that are now held in the department of manuscripts of the Bibliothèque nationale de France . The last governor to hold this position, the unfortunate Bernard-René de Launay, appointed in 1776, was beheaded on 14 July 1789 and replaced by a provisional governor during the demolition of the building. At the end of the Ancien Régime, the governor of the Bastille was reduced to being a subordinate of the lieutenant-general of police. He could
Louis Le Provost de Launay studied law in Paris and obtained his license. For a period he was secretary to Théodore Grandperret. At the start of the Franco-Prussian War of 1870 he joined the "Chasseurs d'Afrique" as a private soldier, and later was made a sub-officer. After the war he received his doctorate in law and was admitted to the Bar in 1872. In 1875 Le Provost de Launay was elected general councilor for Côtes-du-Nord representing the canton of La Roche-Derrien. He was elected mayor of Penvénan on 18 May 1884. He was replaced on 10 December 1893 by Pierre Le Provost de Launay. In