Jas Hennessy & Co., simply known as Hennessy (French pronunciation: [ɛnsi], is a French cognac distillery based in Cognac, France. Jas Hennessy & Co. sells about 50 million bottles annually worldwide, making it the largest producer of cognac, providing more than 40% of the world's cognac, a variety of brandy. The company is owned by Moet Hennessy, which in turn is owned by LVMH (66%) and Diageo (34%). Cognac Hennessy Distillery was founded by Irish military officer Richard Hennessy in 1765. His son James Hennessy gave the company the name Gus Hennessy & Co. in 1813. During the 1970s, Killian Hennessy, a fifth-generation hennessy descendant, became Hennessy's CEO, succeeding his first cousin Maurice Richard. Killian Hennessy led the company's 1971 merger with Moët et Chandon, which created Moët Hennessy.Moët Hennessy merged with Louis Vuitton in 1987, creating one of the world's largest luxury brand conglomerates, Louis Vuitton • Moët-Hennessy or MH LV. In 1988, an administrative crisis led the group to take over Bernard Arnault, owner of the high-end fashion house Christian Dior, with the support of Guinness. Kellyanne Hennessy remained on the company's advisory board until his death in 2010 at the age of 103.