Check the information Open Archives has about Michielsen.
Check the Wie (onder)zoekt wie? register to see who is (re)searching Michielsen.
The Family tree De Keyser publication was prepared by Guido de Keyser (contact is not possible).
When copying data from this family tree, please include a reference to the origin: Guido de Keyser, "Family tree De Keyser", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-de-keyser/I5333.php : accessed June 6, 2024), "(Cornelius) Michielsen Cornelius (± 1620-> 1661)".
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