When copying data from this family tree, please include a reference to the origin: Jaap van der Bijl, "Family tree Van der Bijl", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-der-bijl/I1984.php : accessed June 18, 2024), "Jan van Katwijk (± 1809-????)".
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Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
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