Ch. Quintus is the flagship Saint-Emilion estate of Domaine Clarence Dillon (owners of Ch. Haut-Brion and Ch. la Mission Haut-Brion). Following the purchase of Ch. Tertre Daugay in 2011 and Ch. l’Arrosée in 2013, the two were merged to form Ch. Quintus. The first vintage of the wine was 2011.