Johann Friedrich Altag was born in approximately 1792, probably in France. He served in Napoleon's army and fought against the Russians.
He was captured by the Russians, and in 1812, was originally settled in the Volga German colony of Krasnoyar.
He is recorded on the 1834 census of Messer as having moved to the colony of Franzosen in 1825.
On the 1850 census of Franzosen, his death is recorded in 1830.
- 1834 Messer Census.
- 1834 Franzosen Census (Household No. 109).
- 1850 Franzosen Census.
- 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.