Johann Kaiser, a farmer, and his wife Katharina settled in the Volga German colony of Cäsarsfeld on 3 August 1767. They are recorded there on the 1767 census in Household No. 15 along with a note that they relocated to the colony of Biberstein in 1768.
The 1767 census records that Johann Kaiser came from the German village of Bürstadt.
- 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): Bb15, Bb26.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 1 (Göttingen: Göttinger Arbeitskreis, 1999): 247.