Johann Heinrich Jensen (age 17) and his sisters Louisa (age 12) and Elisabeth (age 9) are recorded on an appendix to the the 1767 census of Beauregard in Household No. 28 along with their stepfather, Wilhelm Müller.
The 1767 census includes a note that they relocated to the colony of Hockerberg in 1768.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 1 (Göttingen: Göttinger Arbeitskreis, 1999): 201.