Johann Georg Wolf, 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. 29 along with his stepchildren (surname Gruber).
Johann Philipp Wolf from Bauer is recorded on the 1834 census of Messer in Household No. 139.
The 1767 census records that Johann Georg Wolf came from the German village of Oberdorf in the Alsace region.
- 1834 Messer Census (Household No. 139).
- 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): Br31.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 1 (Göttingen: Göttinger Arbeitskreis, 1999): 123.