Peter Wulf and his family immigrated first in 1762 to Denmark (Schleswig-Holstein) and joined the migration to Russia in 1766.
They arrived from Lübeck at the port of Oranienbaum on 20 May 1766 aboard the Russian galliot Catharina Eleonora under the command of Skipper Peter Röder.
They settled in the Volga German colony of Dinkel on 12 July 1767 and are recorded there on the 1767 census in Household No. 22.
Peter Klausen Wolf and his family are recorded on the 1798 census of Dinkel in Household No. Dn20.
Andreas Jakob Wulf, son of Peter Klausen Wolf, and his family are recorded on the 1834 census of Bangert in Household No. 19.
Eichhorn records that Peter Wulf came from Süderstapel, today a part of the collective community of Stapelholm, in the district of Schleswig-Flensburg in the German State of Schleswig-Holstein.
- 1834 Bangert Census (Household No. 19).
- Eichhorn, Alexander, Jacob & Mary Eichhorn. The Immigration of German Colonists to Denmark and Their Subsequent Emigration to Russia in the Years 1759-1766 (Deiningen, Germany: Drukerei und Verlag Steinmeier GmbH & Co. Kg, 2012): B-1828.
- 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): Dn16, Dn20, Dn52.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 1 (Göttingen: Göttinger Arbeitskreis, 1999): 303.
- Pleve, Igor. Lists of Colonists to Russia in 1766: Reports by Ivan Kulberg (Saratov: Saratov State Technical University, 2010): #306.