Jakob Andreas, a farmer, his wife Eva Katharina, and daughters (Anna Katharina, age 12; Katharina Barbara, age 2) are recorded on the 1767 census of Dönhof in Household No. 42. They had settled there on 21 July 1766.
The 1767 census records that Jakob Andreas came from the German region of Kurpfalz.
- 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): Dh067.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 1 (Göttingen: Göttinger Arbeitskreis, 1999): 352.