Alcohol is 20.0% by volume in it . The main ingredients are  vegetables . It is a type of Indian whisky . Duke and Sons is manufactured by Diageo . It has a website named www.cognac.fr/cognac/_en/intro.aspx . Duke and Sons originated from Japan . It is related to the deveron . It was introduced in 2008 . champagne are the variants of Duke and Sons
It was brought into existence after 2052