Georg Koch, a craftsman (Handwerker), his wife Julianna, and son Johann Adam (age 1) are recorded on the 1767 census of Grimm in Household No. 73.
They are recorded on the 1775 census of Grimm in Household No. 147.
The 1767 census records that Georg Koch came from the German region of Darmstadt.
- 1775 Grimm Census (Household No. 147).
- 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): Gm103.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 2 (Göttingen: Göttinger Arbeitskreis, 2001): 83.