There are two Adam Kochs who originally settled in Norka.
This Adam Koch, a farmer, and his wife Klara Elisabeth settled in the Volga German colony of Norka on 15 August 1767. They are recorded there on the 1767 census along with their new-born daughter Anna Christina in Household No. 129.
The 1767 census records that Adam Koch is from the German district of Isenburg.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 3 (Göttingen: Göttinger Arbeitskreis, 2005): 263.