Peter Schönwolf was born in the German region of Westfalen. He served in Napoleon's army and fought against the Russians. He was captured by the Russians, and in 1812, was settled in the Volga German colony of Enders. His children are recorded there on the 1834 Census of Enders in Household No. 63.
- 1834 Census of Enders.
- Belousov, S.V. "Prisoners of war of Napoleon's army in the Volga region: the arrangement, content, relationships with the local population." Bulletin of the Samara State University, No. 1 (Samara, Russia: Samara State University, 2006): 48-55.