Orphan Konrad Bachmann, son of the deceased Hans Georg Bachmann, is recorded on the 1767 census of Kamenka in Household No. 88 along with the Johann Weitzel family. The 1767 census does not record a relationship between the Weitzel and Bachmann families.
In 1792, Konrad Bachmann was sent into exile.
The 1767 census records that Konrad Bachmann came from the German village of Aschaffenburg.
- 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): Km092, Mv1104.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 2 (Göttingen: Göttinger Arbeitskreis, 2001): 239.