Johann Marquardt, a farmer, his wife Anna Maria, and children (Johann Michael, age 14; Johann Jakob, age 12; Johann, age 9½) arrived from Lübeck at the port of Oranienbaum on 29 August 1766 aboard the ship Apollo under the command of Skipper Detlov Merberg.
Son Michael is recorded on the 1798 census of Kutter in Household No. Kt19.
The Oranienbaum passenger list records that Johann Marquardt came from the German region of Isenburg.
- 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): Kt19.
- Pleve, Igor. Lists of Colonists to Russia in 1766: Reports by Ivan Kulberg (Saratov: Saratov State Technical University, 2010): #5128.