Adolf Krohn, a teacher (Lehrer), and his wife Katharina Elisabeth settled in the Volga German colony of Dönhof on 18 June 1767. They are recorded there on the 1767 census in Household No. 85.
Johann Adolph Krohn, his wife Anna Elisabeth, and son Christian (age 7) are recorded on the appendix to the 1775 census of Grimm in Household No. 8.
The 1767 census records that Adolf Krohn came from the German town of Lübeck.
- 1775 Grimm Census (Household Supplement No. 8).
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 1 (Göttingen: Göttinger Arbeitskreis, 1999): 364.