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≈ Reconstructed person · research hypothesis

Jan Posthuma

observed 1871–1879possible birth 1779–18717 observations2 name variantsmedium confidence

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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: Jan Posthuma · Jan Postuma

Supporting registrations

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