The winery is located in the municipality of Labarde in the area Margaux in the Médoc (Haut-Médoc, Bordeaux). In the Bordeaux Classification after the old now no longer valid system, it was last classified in 2003 as "Cru Bourgeois Exceptionnel". The origin of the ancient estate goes back to the year 1428, in which a Guilhem de Siran is called as owner. As a result, there were numerous owners, including the estate belonged to the great-grandparents of the painter Henri de Toulouse-Lautrec (1864-1901). Since 1858, the estate has been owned by the Miailhe family. In 2007 William Alain and Brigitte Miailhe handed over the business they had run since 1978 to their son Edouard Miailhe, who now leads the family in the fifth generation. Responsible for the production are Hubert de Bouard (oenologist), Jean-Luc Chevalier (vineyards) and Marjolaine Defrance (cellar technology).
The total property covers 88 hectares of land. Of these, the vineyards cover 25 hectares of vineyards on permeable gravel so that the vines one water stress are exposed and have deep roots. The vineyards are very large with 10,000 vines / hectare close planted and with an average of 45 to 50 hectoliters / hectare income reduced, It will be the typical Bordeaux varieties Merlot (46%), Cabernet Sauvignon (43%), Petit Verdot (10%) and Cabernet Franc (1%). Environmentally friendly cultivation has been taking place since 2000 ecological. sustainable Principles.
The long-lived Margaux red wine from above blend ratio will be 12 to 14 months in one-third new Barrique expanded. The second wines "S de Siran" (until 1998 "Château Bellegarde", CS, ME, CF, 12 months in 10% new oak barrels), "Bel Air de Siran" (CS, ME, 12 months in oak barrels) and "Château St-Bar". Jacques "(CS, ME, CF, 10 months in stainless steel and oak barrels). Every year 130,000 to 150,000 bottles of wine are produced.