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≈ Reconstructed person · research hypothesis

Jan Anthonij van Heemskerck

observed 1771–1777possible birth 1677–177124 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: Jan Anthonij van Heemskerck · Jan Anthonij van Heemskerk · Jan Anthony van Heemskerck · Jan Anthony van Heemskerk

Supporting registrations

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Possible VOC connections

Research leads, not confirmed identities. The score is not a probability.

1 medium and exploratory leads

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