Samuel Rothfeld, a farmer, and his family settled in the Volga German colony of Katharinenstadt on 27 August 1766. They are recorded there on the 1767 census in Household No. 6.
The 1767 census records that Samuel Rothfeld came from the German village of Kropstädt in the region of Sachsen (Saxony) and that his wife came from the German village of Grabau also in Sachsen (Saxony).
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 2 (Göttingen: Göttinger Arbeitskreis, 2001): 276.