Margaretha Strack (age 15) and her siblings (Simon, age 12; Christoph, age 10) are recorded on the 1767 census of Seelmann in Household No. 52 along with their stepfather Johann Brehne.
It is believed that another sibling, orphan Johann Peter Strack (age 12), is recorded on the 1767 census of Seelmann in Household No. 12 along with the Peter Hartmann family. The 1767 census does not record a relationship between the Strack and Hartmann families.
The 1767 census does not record from where these Strack children came.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 1 (Göttingen: Göttinger Arbeitskreis, 1999): 152, 159.