When copying data from this family tree, please include a reference to the origin: J. van Gelder, "Family tree familie Van Gelder, Goudswaard, Koning en Hensens", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-familie-van-gelder/I3280.php : accessed June 14, 2024), "Harm Wieringa (1852-< 1916)".
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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.
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