The estate is located in the municipality of Martillac in the area Pessac-Léognan in Graves (Bordeaux). The origin goes back to the middle of the 14th century, when the noble Bosq family cultivated wine here. In 1720 the property was bought by the Scotsman George Smith. After several changes of ownership, the estate has been owned by the Cathiard family since 1990. Today it is run by Daniel and Florence Cathiard. The oenologists Michel performed the restructuring Rolland (* 1947), Pascal Ribéreau-Gayon (1930-2011) and Stéphane Derenoncourt (1963) advisory support. The vineyards cover 56 hectares. Of these, 45 are with the red varieties Cabernet Sauvignon (55%), Merlot (35%) and Cabernet Franc (10%), as well as 11 with the white wine varieties Sauvignon Blanc (90%), Sémillon (5%) and Sauvignon gris (5%) planted. The long-lived red wine will be 20 to 50% new in 20 months barriques expanded. Only this is classified as "Cru Classé" according to the Graves classification. The second wine is called "Les Hauts de Smith". The white wine is aged for 12 months in 50% new barriques.