Lorenz Heidemann, a farmer, and his wife Anna settled in the Volga German colony of Cäsarsfeld on 3 August 1767. They are recorded there on the 1767 census in Household No. 4.
The 1767 census records that Lorenz Heidemann came from the German village of Bissersheim.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 1 (Göttingen: Göttinger Arbeitskreis, 1999): 244.