Wilhelm Röder, a carpenter (Tischler), his wife Anna Eva, and stepson Konrad Helfrich Wiltendorf are recorded on the 1775 census of Grimm in Household No. 137.
In 1788, Wilhelm Röder left Grimm.
The 1767 census records that Wilhelm Röder came from the German village of Weimar in the region of Sachsen (Saxony).
- 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): Mv0764.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 2 (Göttingen: Göttinger Arbeitskreis, 2001): 81.