Heinrich Kieffer, a farmer, and his wife Anna Margaretha are recorded on the 1767 census of Seelmann in Household No. 16. They had settled there on 15 July 1767.
The 1767 census records that Heinrich Kieffer came from the German village of Dasbach.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 4 (Göttingen: Göttinger Arbeitskreis, 2008): 152.