The widow of Georg Sander and his son Johann Georg are recorded on the 1798 census of Seelmann in Household No. Sm20.
Son Johann Georg Sander is recorded on the 1811 census of Seelmann in Household No. 56.
- 1811 Seelmann Census (Household No. 56).
- 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): Sm20.