Check the information Open Archives has about Harmsen Swart.
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The Family tree Doppenberg publication was prepared by Henk Doppenberg (contact is not possible).
When copying data from this family tree, please include a reference to the origin: Henk Doppenberg, "Family tree Doppenberg", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-doppenberg/I9032.php : accessed January 6, 2026), "Hendrik Harmsen Swart".
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