Werfel / Würfel
Johann Jakob Würfel was born in Sinsheim (now in Baden-Württemberg) on 29 August 1725. He married on 26 August 1759 in Leimen (near Heidelberg) to Maria Barbara Blättel. She was born in Leimen on 10 November 1735.
They moved to Denmark (Schleswig-Holstein). Jakob, Barbara, and several children arrived in Anton on 7 September 1764. They are recorded there on the 1767 Census in Household No. 20. Barbara later married Johann Heinrich Weisheim from Balzer.
- Eichhorn, Alexander, Jacob & Mary Eichhorn. The Immigration of German Colonists to Denmark and Their Subsequent Emigration to Russia in the Years 1759-1766 (Deiningen, Germany: Drukerei und Verlag Steinmeier GmbH & Co. Kg, 2012): B-1833.
- Lang, Gerhard. German Colonists of Denmark on the Volga.
- Mai, Brent Alan. 1798 Census of the German Colonies along the Volga: Economy, Population, and Agriculture (Lincoln, NE: American Historical Society of Germans from Russia, 1999): An30, An43.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 1 (Göttingen: Göttinger Arbeitskreis, 1999): 58.