Widow Maria Hauchen and her children settled in the Volga German colony of Beauregard on 27 August 1766. They are recorded there on the 1767 census in Household No. 37 along with a note that they relocated to the colony of Katharinenstadt in 1768.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 1 (Göttingen: Göttinger Arbeitskreis, 1999): 186.