Peter Schwarz, a farmer, his wife Barbara, and daughters (Susanna, age 3; Anna Elisabeth, age ½) are recorded on the 1767 census of Volmer in Household No. 39. They had settled there on 18 July 1767.
The 1767 census records that Peter Schwarz came from the German village of Kromburg bei Memmingen.
- 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): Vm05.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 4 (Göttingen: Göttinger Arbeitskreis, 2008): 292.