When was the brewery founded by the family who resided in the Lemp Mansion founded?
Falstaff Brewing Corporation: The Falstaff Brewing Corporation was a major American brewery located in St. Louis, Missouri. Falstaff Brewing Corporation:  With roots in the 1838 Lemp Brewery of St. Louis, the company was renamed after the Shakespearean character Sir John Falstaff in 1903.
i don't know