Isaak Berg, a single farmer, settled in the Volga German colony of Galka on 19 August 1764. He is recorded there on the 1767 census in Household No. 7.
The 1767 census records that Isaak Berg came from the French village of Carcassonne.
- 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): Gk05, Gk55.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 2 (Göttingen: Der Göttinger Arbeitskreis, 2001): 21.