Johannes Krug, a cooper (Fassbinder), his wife Margaretha, and children from his first marriage (Elisabeth, age 18; Johann Georg, age 13; Maria Margaretha, age 9; Magdalena, age 7) are recorded on the 1767 census of Seelmann in Household No. 10 along with stepsons (Johann Jakob Schmidt, age 16; Johannes Schmidt, age 6). They had settled there on 15 July 1767.
Daughter Margaretha Krug is recorded on the 1798 census of Neu-Kolonie in Household No. Nk27.
The 1767 census records that Johannes Krug came from the German region of Zell.
There are no known surviving male lines of this Krug family among the Volga German colonies.
- 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): Nk27.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 4 (Göttingen: Göttinger Arbeitskreis, 2008): 151.