Barton & Guestier is one of the oldest and most important Bordeaux wine trading houses, The origin dates back to 1725, when Thomas Barton (1694-1780), born in Bordeaux in 1722, came to Bordeaux wine trade Founded. He was severely divided with his son William (1723-1799), who founded his own company. His son Hugh Barton (1766-1854) married Anna, the daughter of the rich wine merchant Nathaniel Johnston. He had to leave during the French Revolution after a brief imprisonment in 1793 France. From the 1792 received connection with the company Daniel Guestier then 1802 the significant trading house Barton & Guestier developed. For over 15 years he tried unsuccessfully, that Château Lafite to acquire. Finally, in 1821, he bought the Château Langoa, which he named today Château Langoa-Barton renamed in 1826 and a neighboring part of the Château Léoville, now Château Léoville-Barton said. His successor was Nathaniel Barton (1799-1867), who by the phylloxera disaster got into trouble. His grandson Ronald Barton (1902-1986) made Château Langoa-Barton his residence. During the Second World War, this was occupied by the Germans in 1940. Finally, in 1954, half of Barton & Guestier's house was taken over by the American multi-seagram and subsequently entirely. Ronald's nephew Anthony Barton (* 1930) founded his own trading house and took over both wineries in 1986. The family still retain their old nationality and religion.