In 1742, it became part of the Kingdom of Prussia and was known by its German name of Wohlau. Names Wohlau, Prussia Wołów, Lower Silesian Voivodeship, Poland Surnames Kern (Biberstein / Schaffhausen) Map of Wohlau from about 1750. Source: Friedrich Bernhard Werner via Wikipedia Commons. 51.341389, 16.628333 Volga Colonies Schaffhausen Biberstein Emilianovka