Heinrich Lange, his wife Anna Maria, and daughter Anna Margaretha settled in the Volga German colony of Dönhof. Heinrich died, and widow Anna Maria remarried to Johannes Kestle.
The Kestle/Lange family is recorded on the 1767 census of Dönhof in Household No. 44.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 1 (Göttingen: Göttinger Arbeitskreis, 1999): 353.