Johann Wilhelm Michaelis settled in the Volga German colony of Katharinenstadt on 2 December 1766. He is recorded there on the 1767 census in Household No. 173 along with a note that his wife and 4 children remained back in Nordhausen.
The 1767 census records that Johann Wilhelm Michaelis came from the German village of Nordhausen in the region of Thüringen.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 2 (Göttingen: Göttinger Arbeitskreis, 2001): 312.