SAM Smith's and John Smith's brews are known the world over – but who really knows the story behind the family feud that created two brewing giants in one small North Yorkshire town? The rivalry between Samuel Smith's and John Smith's breweries is one of the most famous family disputes in Yorkshire business history, with its roots firmly in Victorian Tadcaster. Samuel Smith Brewery, Tadcaster. John Smith's Brewery, Tadcaster. Undeterred, he refitted the old premises and reopened the business under his own name, Samuel Smith's Old Brewery.