Johann Adam Detterer from Gemmingen married Maria Susanna Schmidt on 27 July 1756 in Ehrstädt-Neuhaus. She was born there on 22 June 1733.
The Detterer family moved first to the colony of Neubörm in Denmark. They then immigrated to Russia, arriving on 21 July 1766 in Dönhof. They are listed along with 3 children on the 1767 census of Dönhof in Household No. 8.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 1 (Göttingen: Göttinger Arbeitskreis, 1999): 343.