Widow Christina Riehl settled in the Volga German colony of Katharinenstadt on 27 August 1766. She is recorded there on the 1767 census in Household No. 227.
The 1767 census records that Christina Riehl came from the German region of Darmstadt.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 3 (Göttingen: Göttinger Arbeitskreis, 2005): 321.