Check the information Open Archives has about Van IJzendoorn.
Check the Wie (onder)zoekt wie? register to see who is (re)searching Van IJzendoorn.
The Family tree Van Os publication was prepared by wijlen Harry Lubberman (at the request of the family this publication remains available, contact is not possible).
When copying data from this family tree, please include a reference to the origin: wijlen Harry Lubberman, "Family tree Van Os", database, Genealogy Online (https://www.genealogieonline.nl/van-os-stamboom/I6463.php : accessed June 2, 2024), "Johannes van IJzendoorn".
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