Johann Georg Rothgang, a single tailor (Schneider), arrived from Lübeck at the port of Oranienbaum on 15 September 1766 aboard the Danish galliot Nord Stern under the command of Skipper Detlev Belling.
Johann Georg Rothgang is recorded on the list of colonists being transported from St. Petersburg to Saratov in 1767.
He settled in the Volga German colony of Lauwe on 5 September 1767 and is recorded there on the 1767 census in Household No. 55.
In 1788, Johann Rothgang and his family moved from Lauwe to Laub.
Georg Rothgang and his family are recorded on the 1798 census of Laub in Household No. Lb05.
The sons of Georg Rothgang and their families are recorded on the 1834 census of Laub in Households No. 20 & 92.
The 1767 census records that Johann Georg Rothgang came from the German village of Munningen in the Enslingen region.
- 1834 Laub Census (Households No. 20, 92).
- 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): Lb05, Mv1518.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 3 (Göttingen: Göttinger Arbeitskreis, 2005): 49.
- Pleve, Igor. Lists of Colonists to Russia in 1766: Reports by Ivan Kulberg (Saratov: Saratov State Technical University, 2010): #5244 (p.336).
- Rauschenbach, Georg. Deutsche Kolonisten auf dem Weg von St. Petersburg nach Saratow: Transportlisten von 1766-1767 (Moscow: G.V. Rauschenbach, 2017): #2110.