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West Prussia (Grosses Werder), Poland · coordinates 54.1, 18.93 (approximate)
About
Birthplace of Johann Claassen (1840).
Born here
Died here
Lived here
- 1840 — Johann Claassen (1840–1886)
Record compiled 31 October 2026.
About this research
Supporting documentation is linked throughout. This project is an exercise in AI-assisted research and development, and I haven’t manually verified every link or conclusion. All transcriptions and translations of Swiss parish records were made with AI, and their accuracy should be treated accordingly.