← Back to results
≈ Reconstructed person · research hypothesis

Joannes Janssen

observed 1642–1647possible birth 1572–16272 observations2 name variantsmedium confidence

Always inspect the supporting records.

Search all name mentions →

Why are these mentions grouped?

Name normalization or a strong historical spelling match and compatible chronology support this grouping. Less distinctive names require narrower time windows or recurring relationships.

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

Observed name forms: Joannes Janssen · Joannes Janszen

Supporting registrations

Read the method →