Clos du Marquis brand was created in the late nineteenth century by Theophilus Skawinska, director of Chateau Las Cases, great-grandfather of the current director, Jean-Hubert Delon. Thus, the Clos du Marquis was long the second wine of Leoville Las Cases. It is now, roughly since the 1989 vintage, another wine of Las Cases mainly from outside, as opposed to the general Clos de Las Cases. The Clos du Marquis is the expression of a type of local St. Julien also surrounded by prestigious vineyards such as Pichon Longueville Comtesse de Lalande, Leoville Poyferre, Leoville Barton, Lagrange, Talbot. .