Johann Stertzer & Dorothea Inhoff were married on 28 May 1765 in Roßlau. They are believed to be the couple who settled in the Volga German colony of Louis.
In 1788, Johann Stertzer and his family moved from Louis to Mariental.
Michael Stertzer from Louis and his family are recorded on the 1798 census of Mariental in Household No. Mt43.
- 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): Mt43, Mv1569.
- Mai, Brent Alan and Dona Reeves-Marquardt. German Migration to the Russian Volga (1764-1767) (Lincoln, NE: American Historical Society of Germans from Russia, 2003): #842.