Johann Michael Strifler, a farmer, and his wife Barbara are recorded on an appendix to the 1767 census of Boisroux in Household No. 6 along with a note that they relocated to the colony of Bettinger in 1768.
The 1767 census records that Johann Michael Strifler came from the German village of Weikersheim in the Nassau region.
- Pleve, Igor. Einwanderung in das Wolgagebiet 1764-1767 Band 1 (Goettingen: Der Göttinger Arbeitskreis, 1999): 163.