Check the information Open Archives has about Van Haersma.
Check the Wie (onder)zoekt wie? register to see who is (re)searching Van Haersma.
The Family tree Mark de Jong publication was prepared by M. de Jong (contact is not possible).
When copying data from this family tree, please include a reference to the origin: M. de Jong, "Family tree Mark de Jong", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-mark-de-jong/I2181.php : accessed June 7, 2024), "Tjalling Tjallings van Haersma (1525-????)".
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