Adam Heilig, a miller (Müller), and his wife Anna settled in the Volga German colony of Boisroux on 3 August 1767.
They are recorded there on the 1767 census in Household No. 52 along with a note that they relocated to the colony of Schönchen in 1768.
The 1767 census records that Adam Heilig came from the German village of Bibra.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 1 (Göttingen: Göttinger Arbeitskreis, 1999): 152.