Johannes Hilß is recorded on the list of immigrants by Johann Facius: Actum Aufenau den 10 Februar 1766 Johannes Hilß, 18 Jahre alt, ledigen Standes, von Gedern, ein guter Ackerknecht, evangelischer Religion [Gathering at Aufenau on 10 February 1766 was Johannes Hils, 18-years-old, single, from Gedern, a good farmhand, Lutheran].
Johannes Hilß died on 3 December 1802 in Reinwald at the age of 55.
According to the 1767 Census of Reinwald, the Gills family came from the German village of Gedern.
- List of those recruited by Johann Facius from 13 November 1765 to 18 February 1766.
- Mai, Brent Alan. 1798 Census of the German Colonies along the Volga (Lincoln, NE: American Historical Society of Germans from Russia, 1999): Rw31.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 4 (Göttingen: Göttinger Arbeitskreis, 2008): 46.