A 2th Growth wine on the 1855 Classification of Medoc and Graves. Chateau Rausan-Segla is a Margaux estate originally founded by Pierre Desmezures, owner of châteaux Margaux and Latour, in the 17th century. It has been owned by Chanel since 1994, and has progressively moved from heavy machinery to hand sorting and a strong focus on quality.