Jacob Balthasar Schwartzkopf, son of Johann Jacob Schwartzkopf & Maria Agatha Mögess, was born in Pfaffenhofen, Württemberg, on 19 December 1721. He married there on 25 May 1745 to Maria Salomae Wössner, daughter of Johann Michael Wössner & Maria Salomae Schurer. She was born 9 September 1720, also in Pfaffenhofen. They had a number of children in Pfaffenhofen before immigrating to Schleswig-Holstein (Denmark).
They settled in Flensburg on 5 August 1763. They left there on 14 August 1765 and immigrated to Russia, arriving in the colony of Dönhof on 21 July 1766. They are recorded there in Household No. 41 on the 1767 Census.
- Eichhorn, Alexander, Mary & Jacob Eichhorn. The immigration of German colonists to Denmark and their subsequent emigration to Russia in the years 1759-1766 (Deiningen, Germany: Steinmeier, 2012): B-1546.
- 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): Dh085, Dh095, Dh100.
- Parish records of Pfaffenhofen (LDS Film No. 1184783).
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 1 (Göttingen: Göttinger Arbeitskreis, 1999): 352.