In 1793, Michael Rohlmann moved from Dietel to Grimm.
Michael Rohlmann from Dietel is recorded with his family on the 1798 census of Grimm in Household No. Gm041.
- 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): Gm041, Mv0412.