← Back to results
≈ Reconstructed person · research hypothesis

Thomas de Keijser

observed 1640–1646possible birth 1575–162412 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: Thomas de Keijser · Thomas de Keyser

Supporting registrations

Read the method →