Johannes Dreher, his wife Anna Eva, and his children (Johannes Nikolaus, age 19; Anna Margaretha, age 14; Susanna Kathairna, age 12; and Elisabeth Katharina, age 9) immigrated to Denmark (Schleswig-Holstein) arriving in Fridericia on 27 September 1760.
They are last recorded in the Danish colonies on 7 January 1765. They joined the migration to Russia.
Son Nikolaus Dreher and his wife Elisabeth Katharina are recorded on the 1775 census of Beideck in Household No. 29.
The Eichhorns record that Johannes Dreher came from the German village of Wembach near Lichtenberg.
- 1775 Census of Beideck (No. 29).
- 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-290.
- Mai, Brent Alan. 1798 Census of the German Colonies along the Volga: Economy, Population, and Agriculture (Lincoln, NE: American Historical Society of Germans from Russia, 1999): Bd82.