Jakob Roth, a mason (Maurer), his wife Anna Maria, and his son by his first wife Johann Wilhelm (age 19) settled in the Volga German colony of Warenburg on 12 May 1767. They are recorded there on the 1767 census in Household No. 3.
The widow and son of Wihelm Roth are recorded on the 1798 census of Warenburg in Household No. Wr088.
Heinrich Wilhelm Roth, son of Wilhelm Roth, is recorded on the 1811 census of Warenburg in Household No. 88.
[Heinrich] Wilhelm Roth and his family are recorded on the 1834 census of Warenburg in Household No. 85.
The 1767 census records that Jakob Roth came from the German village of Singhofen in the Nassau region.
- 1811 Warenburg Census (Household No. 88).
- 1834 Warenburg Census (Household No. 85).
- 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): Wr026, Wr088.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 4 (Göttingen: Der Göttinger Arbeitskreis, 2008): 322.