The de Roquefeuil-Blanquefort family previously named de Blanquefort is a French noble family from Aquitaine and Rouergue whose proven filiation began in 1393 when Jean of Blanquefort married Catherine de Roquefeuil-Anduze.[1] Their son Antoine took his mother's name. The Roquefeuil-Blanquefort family gave several branches. The remaining two branches are Roquefeuil Monpeyroux and Roquefeuil Cahuzac.[2] The Roquefeuil-Blanquefort family is a member of the Society of the Cincinnati.