Jakob Felsing and his family are recorded on the 1798 census of Schilling in Household No. Sg066.
The death of Jakob Felsing in 1829 is recorded on the 1834 census of Schilling in Household No. 92.
- 1834 Schilling Census (Household No. 92).
- 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): Sg066.