When copying data from this family tree, please include a reference to the origin: Frits Derksen, "Family tree Derikx, Derksen en Heijnen", database, Genealogy Online (https://www.genealogieonline.nl/parenteel-derksen/I14974.php : accessed June 10, 2024), "Aleijdis "Alitgen" [van de Ven] (± 1620-1682)".
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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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