Karl Kunzelmann, a farmer, and his family arrived from Lübeck at the port of Oranienbaum on 12 September 1766.
Karl died and his widow Katharina remarried to Adam Mainz. They settled in the Volga German colony of Leitsinger on 19 August 1767 and are recorded there on the 1767 census in Household No. 44 along with the surviving Kunzelmann children: Nikolaus (age 17) & Kaspar (age 11).
According to the 1798 census, the widow of Nikolaus Kunzelmann was living in Neu-Kolonie, remarried to Gottfried Walter (Nk37).
The 1767 census records that Karl Kunzelmann came from the German district of Württemberg.
- 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): Nk37.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 3 (Göttingen: Göttinger Arbeitskreis, 2005): 70.
- Pleve, Igor. Lists of Colonists to Russia in 1766: Reports by Ivan Kulberg (Saratov: Saratov State Technical University, 2010): #5815.