Johann Dawu was born in approximately 1788 in the Netherlands. 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 Ober-Monjou.
He appears on the 1834 Ober-Monjou Census in Household No. 26 where his death is recorded in 1818.
There are no known surviving male descendants of this family among the Volga German colonies.
- 1834 Census of Ober-Monjou.
- 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.