Johann Christian Fischer was born in approximately 1787. 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 Katharinenstadt. He is recorded there on the 1834 Census of Katharinenstadt in Household No. 323 and on the 1850 Census of Katharinenstadt in Household No. 430 along with a note that he had died there in 1842.
- 1834 Census of Katharinenstadt.
- 1850 Census of Katharinenstadt.
- 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.