There are three Ehler orphans recorded on the 1767 census of Dinkel. Two are recorded as brothers and stepsons of Hans Hartmann in Household No. 37. The third is recorded as the stepson of Heinrich Hollbeck in Household No. 47.
The 1767 census does not record from where the Ehler children came.
- 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): Dn05, Dn43.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 1 (Göttingen: Göttinger Arbeitskreis, 1999): 307, 309.