Johann Hardt, a blacksmith (Schmied), and his wife Eva Katharina settled in the Volga German colony of Anton on 28 April 1766. They are recorded there on the 1767 census in Household No. 44.
The 1767 census records that Johann Hardt came from the German village of Stapen in Prussia.
- Mai, Brent Alan. 1798 Census of the German Colonies along the Volga (Lincoln, NE: American Historical Society of Germans from Russia, 1999): An15, An19.
- Pleve, Igor. Einwanderung in das Wolgagebiet 1764-1767 Band 1 (Goettingen: Der Göttinger Arbeitskreis, 1999): 65.