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≈ Reconstructed person · research hypothesis

Pieter vander Heijden

observed 1719–1723possible birth 1623–17197 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: Pieter van der Heyden · Pieter vander Heijden

Supporting registrations

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