Originally referred to in 1331 as a position to build a fortified tower and garrison to guard the estuary. In the hands of the Mullet family until late 17th century. After which, the estate became the property of Alexandre de Ségur, who also purchased additional estates in the Médoc. Bequeathed to his son in 1716, Alexandre de Ségur, also called « Prince of the Vines ». Already gaining recognition, trade flourished. Remaining majoritarily in the hands of the Ségur family until 1962. In 1993, Mr François Pinault purchased the majority stake via his holding company Artémis. Renovations have been regular to uphold the pursuit of excellence at Latour.