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≈ Reconstructed person · research hypothesis

Jacobus Sijtsema

observed 1778–1784possible birth 1684–177814 observations4 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: Jacob Zijtsema · Jacobus Sijtsema · Jacobus Zijtzema · Jacobus Zytsema

Supporting registrations

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