Katharina Margaretha Heil (age 16), the orphaned daughter of Johann Heil, is recorded on the 1767 census of Grimm in Household No. 74 along with the Herman Schmidt family.
The 1767 census does not record a relationship between the Heil and Schmidt families.
The 1767 census does not record from where Johann Heil came.
There are no known surviving male lines of this Heil family.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 2 (Göttingen: Göttinger Arbeitskreis, 2001): 83.