Christian Kreiss and his family are recorded on the 1798 census of Norka in Household No. Nr013.
The death of Christian Kreiss in 1826 is recorded on the 1834 census of Norka in Household No. 53.
There are no known surviving male lines of this Kreiss family among the Volga German colonies.
- 1834 Norka Census (Household No. 53).
- 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): Nr013.