Christoph Wagner, a single man, is recorded on the 1767 census of Jost in Household No. 82 along with a note that he was no longer there.
There are no known surviving male lines of this Wagner family among the Volga German colonies.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 2 (Göttingen: Göttinger Arbeitskreis, 2001): 213.