Widow Anna Margaretha Heinrich, from the district of Zweibrücken, and her children settled in the Volga German colony of Norka on 26 August 1767. They are recorded there on the 1767 census in Households No. 174 & 177.
- Mai, Brent Alan. 1798 Census of the German Colonies along the Volga (Lincoln, NE: American Historical Society of Germans from Russia, 1999): Nr154, Nr221.
- Pleve, Igor. Einwanderung in das Wolgagebiet 1764-1767 Band 3 (Goettingen: Der Göttinger Arbeitskreis; 2005): 276.