Johann Bergmann, a farmer, and his family settled in the Volga German colony of Galka on 13 August 1766. They are recorded there on the 1767 census in Household No. 24.
The 1767 census records that Johann Bergmann came from the German village of Elmenhorst.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 2 (Göttingen: Göttinger Arbeitskreis, 2001): 25.