It is related to the deveron . 20.0% alcohol is present in it . Duke and Sons is manufactured by Diageo . It is a type of Indian whisky . Several variants of this food are champagne . Japan is the country of origin . The name of the website is www.cognac.fr/cognac/_en/intro.aspx . 2008 is when it was introduced . The main ingredients of Duke and Sons are  vegetables
Alcohol is the not majorpart of this beverage