Joseph Raspen, a farmer, his wife Anna Dorothea, and daughter Anna Katharina (age 7) settled in the Volga German colony of Schwed on 1 July 1766. They are recorded there on the 1767 census in Household No. 21.
The 1767 census records that Joseph Raspen came from the German village of Ulm.
There are no known surviving male lines of this family among the Volga German colonies.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 4 (Göttingen: Göttinger Arbeitskreis, 2008): 145.