Matthias Nilis, a farmer, and his family settled in the Volga German colony of Mariental on 16 June 1766. They are recorded there on the 1767 census in Household No. 29.
The 1767 census records that Matthias Nilis came from the German region of Trier.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 3 (Göttingen: Der Göttinger Arbeitskreis, 2005): 102.