Hans Georg Krug, a farmer, and his wife Katharina immigrated to Denmark (Schleswig-Holstein) arriving in the city of Schleswig on 30 May 1761. They are last recorded among the Danish colonies on 18 February 1765.
They joined the migration to Russia and settled in the Volga German colony of Grimm where they are recorded on the 1775 census in Household No. 49.
The Eichhorns record that Hans Georg Krug came from the German region of Württemberg or from the "Amte Bretten, Kurpfalz."
- 1775 Census of Grimm (No. 49).
- 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-903.
- 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): Gm073.