Brothers Johannes Ort (age 13) and Martin Ort (age 11) are recorded on the 1767 census of Dönhof in Household No. 43 along with their stepfather Georg Hans. They had settled there on 21 July 1766.
The 1767 census does not record from where these Ort brothers came.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 1 (Göttingen: Göttinger Arbeitskreis, 1999): 352.