Check the information Open Archives has about Willekes.
Check the Wie (onder)zoekt wie? register to see who is (re)searching Willekes.
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/I16744.php : accessed January 6, 2026), "Harmen Hendrik Willekes".
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