 Complete the following phrase:  The von Guentersberg family governed Weckow since 1299 until they died out in 1763 and the von Berg family received the town. Alexandrine von Berg inherited Weckow from her father and with her marriage to Albert von Ploetz, the town was in the possession of the von Ploetz family until 1945. Under the terms of the Potsdam Agreement, the region became part of Poland after World War II, and 