Martin Kappel, a mason (Maurer), his wife Anna Maria Feidel, and daughter Christina (age 6) are recorded on the 1767 census of Katharinenstadt in Household No. 140. They had settled there on 3 August 1767.
The 1767 census records that Martin Kappel came from the German village of Rostock and that Anna Maria Feidel came from the town of Lübeck.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 2 (Göttingen: Göttinger Arbeitskreis, 2001): 306.