Sebastian Bertsch, a farmer, and his family settled in the Volga German colony of Chasselois on 2 August 1766. They are recorded there on the 1767 census in Household No. 5.
Following the destruction of Chasselois, the Bertsch family relocated to the colony of Mariental.
The 1767 census records that Sebastian Bertsch came from the German village of Saarburg in the Trier region.
- 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): Mt31.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 1 (Göttingen: Göttinger Arbeitskreis, 1999): 250.