Friedrich Eberhard Marquardt, a barber (Friseur), settled in the Volga German colony of Mariental on 28 July 1767. They are recorded there on the 1767 census in Household No. 88 along with his new wife Maria Magdalena (from the region of Wiesbaden).
The 1767 census records that Friedrich Eberhard Marquardt came from the German village of Colberg in Prussia.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 3 (Göttingen: Göttinger Arbeitskreis, 2005): 117.