Johann Siehr, a craftsman (Handwerker), and his family settled in the Volga German colony of Mariental on 14 June 1766. They are recorded there on the 1767 census in Households No. 34 & 35.
The 1767 census records that Johann Siehr came from the German village of Merzig in the Kurtrier region.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 3 (Göttingen: Göttinger Arbeitskreis, 2005): 104.