Johann Adam Dirolf, a farmer, and his wife Elisabeth Margaretha arrived 13 September 1766 aboard the Russian galliot Citadel under the command of Midshipman Grigory Bukharin.
Widow Elisabeth Margaretha settled in the Volga German colony of Dönhof and is recorded there on the 1767 census in Household No. 107.
The Oranienbaum passenger list records that Johann Adam Dirolf came from the German region of Erbach.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 1 (Göttingen: Göttinger Arbeitskreis, 1999): 370.
- Pleve, Igor. Lists of Colonists to Russia in 1766: Reports by Ivan Kulberg (Saratov: Saratov State Technical University, 2010): #5237.