Johann Köhlermann, a weaver (Weber), and his family settled in the Volga German colony of Schuck on 18 July 1766. They are recorded there on the 1767 census in Household No. 15.
In 1788, Johannes Köhlermann moved from Schuck to Saratov.
The 1767 census records that Johannes Köhlermann came from the German village of Suhl in the region of Sachsen (Saxony).
- 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): Mv2628.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 4 (Göttingen: Göttinger Arbeitskreis, 2008): 114.