Peter Zimmermann, a farmer, and his family settled in the Volga German colony of Graf on 10 June 1766. He is recorded there on the 1767 census in Household No. 25 along with his wife Anna Maria and daughter Anna Margaretha (age ¾).
The 1767 census records that Peter Zimmermann came from Luxembourg.
- Pleve, Igor. Einwanderung in das Wolgagebiet, 1764-1767 Band 2 (Göttingen: Göttinger Arbeitskreis, 2001): 66.