Kornelius Sauer, a farmer, his wife Anna Elisabeth, and son Johannes (age 1) are recorded on the 1767 census of Volmer in Household No. 40. They had settled there on 18 July 1767.
Johannes Sauer [erroneously translated as Hauer in some sources] and his family are recorded on the 1798 census of Volmer in Household No. Vm34.
The 1767 census records that Kornelius Sauer came from the German region of Bamberg.
- 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): Vm34.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 4 (Göttingen: Göttinger Arbeitskreis, 2008): 292.