The widow and daughters of Johann Georg Adam Jäger from Graf are recorded on the 1798 census of Louis in Household No. Ls47.
There are no known surviving male lines of this Jäger family among the Volga German colonies.
- 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): Ls47.