Johann Heinrich Hopp, his family, and his brother Johann Adam arrived from Lübeck at the port of Oranienbaum on 29 August 1766 aboard the ship Apollo under the command of Skipper Detlov Merberg.
They settled in the Volga German colony of Kraft on 18 August 1767 and are recorded there on the 1767 census in Households No. 26 & 28.
Johann Adam Hopp from Kraft is recorded on the 1834 census of Franzosen in Household No. 114.
The 1767 census records that the Hopp family came from the German village of Oberhausen in the Hessen region.
- 1834 Franzosen Census (Household No. 114).
- 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): Kf13, Kf14, Kf23.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 2 (Göttingen: Göttinger Arbeitskreis, 2001): 400.
- Pleve, Igor. Lists of Colonists to Russia in 1766: Reports by Ivan Kulberg (Saratov: Saratov State Technical University, 2010): #5015.