Johannes Michael Hein, a locksmith (Schlosser), and his wife Anna Rebekka settled in the Volga German colony of Warenburg on 12 May 1767. They are recorded there on the 1767 census in Household No. 128 along with stepdaughter Katharina [surname not recorded] (age 15).
The 1767 census records that Johannes Michael Hein came from the German village of Siegen in the Nassau region.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 4 (Göttingen: Göttinger Arbeitskreis, 2008): 341.