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The Genealogy Aardema publication was prepared by Jacqueline Aardema (contact is not possible).
When copying data from this family tree, please include a reference to the origin: Jacqueline Aardema, "Genealogy Aardema", database, Genealogy Online (https://www.genealogieonline.nl/genealogie-aardema/I281.php : accessed November 2, 2024), "Sybren Eelkens Jongsma".
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