Johann Gerling, a farmer, and his wife Anna Maria settled in the Volga German colony of Kamenka on 6 July 1765. They are recorded there on the 1767 census in Household No. 23 along with their two sons (Johannes, age 1½; Antonius, age 6-months).
The 1767 census records that Johann Gerling came from the German village of Oberkirch.
- 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): Km030, Km049.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 2 (Göttingen: Göttinger Arbeitskreis, 2001): 221.