Johannes Beltz and his family are recorded on the 1798 census of Kutter in Household No. Kt08.
Melchior Beltz, son of Johannes Beltz, is recorded on the 1834 census of Katharinenstadt in Household No. 177.
- 1834 Katharinenstadt Census (Household No. 177).
- 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): Kt08.