In 1790, Johann Post and his family moved from Stephan to Müller.
Johannes Post from Stephan is recorded on the 1798 census of Müller in Household No. Ml02.
The death of Johannes Post in 1823 is recorded on the 1834 census of Müller in Household No. 28.
- 1834 Müller Census (Household No. 28).
- 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): Ml02, Mv2837.