Georg Seckinger immigrated to Denmark (Schleswig-Holstein) arriving in the city of Schleswig on 9 May 1761.
He deserted the Danish colonies in July 1763 and joined the migration to Russia.
He settled in the Volga German colony of Grimm where he is recorded on the 1775 census on Household No. 33.
The Eichhorns record that Georg Seckinger came from the German village of "Spöck, Unteramt, Staffort, Oberamt Karlsruhe, Markgrafschaft Baden-Durlach" along with the Konrad Hilfle family.
- 1775 Census of Grimm (No. 33).
- 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-1575.
- 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): Gm063.