Konrad Olf, a farmer, and his family arrived from Lübeck at the port in Oranienbaum on 4 July 1766 aboard the galliot Die Fortuna with skipper Peter Stahl at the helm.
They settled in the Volga German colony of Galka on 27 July 1767 where they are recorded on the 1767 census in Household No. 59.
The 1767 census records that they came from the German village of Grosshausen near Darmstadt.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 2 (Göttingen: Göttinger Arbeitskreis, 2001): 35.
- Pleve, Igor. Lists of Colonists to Russia in 1766: Reports by Ivan Kulberg (Saratov: Saratov State Technical University, 2010): #2305.