Independent purveyors Jacob & Frederick Beringer. Since 1876. Aged 6 days. Vinted, bottled and cellared by the oldest continuously operating winery in the valley. Guaranteed to stay red in the bottle. Beringer brothers of California. mark Beringer -5th generation winemaker. Beringer Bros. honors the roots planted by two pioneering men after a westward journey across a young America. Their legacy lives on in the hands of fifth generation winemaker, Mark Beringer. Aged 6 days in American Oak Bourbon barrels, toasted coconut and dark caramel, with a smoky finish.