Johann Heinrich Kaiser, his wife, and his son (also Johann Heinrich) immigrated to Russia. They settled in the Volga German colony of Norka, where the father Johann Heinrich died. His widow (name unknown) remarried to Georg Wetlaufer. She also died. The son, Johann Heinrich (age 7), is recorded on the 1767 census of Norka in Household No. 158 along with his step-father, Georg Wetlaufer.
- Pleve, Igor. Einwanderung in das Wolgagebiet 1764-1767 Band 3 (Goettingen: Der Göttinger Arbeitskreis; 2005): 271.