Johannes Kessler, a linen weaver (Linenweber), and his wife Margaretha are recorded on an appendix to the 1767 census of Nieder-Monjou (No. 10) along with a note that they relocated to the Volga German colony of Schaffhausen in 1768.
In 1769, widower Johannes Kessler moved from Näb to Schaffhausen.
The 1767 census records that Johannes Kessler came from the German town of Lübeck.
- 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): Mv1822.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 3 (Göttingen: Göttinger Arbeitskreis, 2005): 207.