In 1985 , George Sleeman 's great - grandson John Warren Sleeman reincorporated the Sleeman Breweries .
In 1985 , George Sleeman 's great - grandson John Warren Sleeman began producing beers , and Sleeman 's Cream Ale , using the original recipes provided to him by an aunt .
In 1985 , George Sleeman 's great - grandson John Warren Sleeman reincorporated the Sleeman Breweries and began producing beers , and Sleeman 's Cream Ale , using the original recipes provided to him by an aunt .