Johann [Gottlieb] Rohleder and his wife Margaretha arrived from Lübeck at the port of Oranienbaum on 4 July 1766 aboard the English frigate Love & Unity under the command of Skipper Thomas Fairfax.
He settled in the Volga German colony of Nieder-Monjou on 7 June 1767 and is recorded there on the 1767 census in Household No. 1 along with his new wife Dorothea.
Ludwig Rohleder from Nieder-Monjou is recorded on the 1798 census of Orlovskaya in Household No. Or72.
The Oranienbaum passenger list records that Johann [Gottlieb] Rohleder was a farmer from the German region of Silesia. The 1767 census records that he was a soldier (Soldat) from the German town of Breslau in Prussia.
- 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): Or72.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 3 (Göttingen: Göttinger Arbeitskreis, 2005): 185.
- Pleve, Igor. Lists of Colonists to Russia in 1766 (Saratov: State Technical University, 2010): #1531.