Johann Christian Wettermann, a physician (Arzt), and his wife Henriette settled in the Volga German colony of Kaneau on 3 August 1767. They are recorded there on the 1767 census in Household No. 28.
The 1767 census records that Johann Christian Wettermann came from the town of Copenhagen in Denmark.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 2 (Göttingen: Göttinger Arbeitskreis, 2001): 250.