Johann Heinrich Klein, a farmer, and his family settled in the Volga German colony of Bauer on 20 July 1766. They are recorded there on the 1767 census in Household No. 7 along with his stepdaughter, Katharina Barbara (surname not recorded).
The 1767 census records that Johann Heinrich Klein came from the German village of Schönfeld in the Kurpfalz region.
- 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): Br62.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 1 (Göttingen: Göttinger Arbeitskreis, 1999): 117.