← Back to results

≈ Reconstructed person · research hypothesis

Johannes Koelman

observed 1798–1809possible birth 1739–17828 observations1 name variantsmedium confidence

Always inspect the supporting records.

Search all name mentions →

Why are these mentions grouped?

The indexed name is exact and distinctive.

Method code: exact-name+adaptive-chronology-v2

Supporting registrations

Read the method →