Valentin Schweffel, a farmer, and his family settled in the Volga German colony of Reinwald on 14 July 1766. They are recorded there on the 1767 census in Household No. 29.
In 1828, Jakob Schweffel moved from Reinwald to Dehler.
The 1767 census records that Valentin Schweffel came from the German village of Mannheim in the Kurpfalz region.
- 1850 Census of Dehler (#94).
- 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): Rw22.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 4 (Göttingen: Göttinger Arbeitskreis, 2008): 37.