Johannes Reiser, a farmer, and his family immigrated to Denmark (Schleswig-Holstein), arriving in the city of Schleswig on 4 July 1761. They were dismissed from the Danish colonies on 2 June 1764 and joined the migration to Russia.
They settled in the Volga German colony of Dobrinka on 15 April 1765. They are recorded there on the 1767 census in Household No. 44.
The Eichhorns record that Johannes Reiser came from the German region of Württemberg. The 1767 census records that He came from the German village of Kobeln [?] in the region of Württemberg.
- Eichhorn, Alexander, Jacob & Mary Eichhorn. The Immigration of German Colonists to Denmark and Their Subsequent Emigration to Russia in the Years 1759-1766 (Deiningen, Germany: Drukerei und Verlag Steinmeier GmbH & Co. Kg, 2012): B-1326.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 2 (Göttingen: Göttinger Arbeitskreis, 1999): 325.