In 1785, Michael Johann moved from Luzern to Zug. He is recorded on the 1798 Census of Zug in Household No. Zg21 along with a note that he is working in Schönchen.
- Mai, Brent Alan. 1798 Census of the German Colonies along the Volga: Economy, Population, and Agriculture (Lincoln, NE: American Historical Society of Germans from Russia, 1999): Zg21, Mv1685.