Check the information Open Archives has about Van Doornik.
Check the Wie (onder)zoekt wie? register to see who is (re)searching Van Doornik.
The Family tree Wallenburg publication was prepared by W. Wallenburg (contact is not possible).
When copying data from this family tree, please include a reference to the origin: W. Wallenburg, "Family tree Wallenburg", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-wallenburg/I1007.php : accessed January 13, 2026), "Jan van Doornik".
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