Hennessy cognac is a brand of cognac produced by the Hennessy company, which was founded in 1765 by Irishman Richard Hennessy. Hennessy is considered one of the most prestigious producers of cognac in the world and is the largest producer of cognac, accounting for more than 40% of the market share. The company's most popular product is its flagship Hennessy VS (Very Special) cognac, which is a blend of more than 40 different eaux-de-vie (water of life) from the Grande Champagne, Petite Champagne, Borderies, and Fins Bois regions of Cognac, France. The company also produces other premium cognac blends, including Hennessy XO (Extra Old), Hennessy Paradis, and Hennessy Richard.