When copying data from this family tree, please include a reference to the origin: Hedwich de Vries, "Family tree Wopke Kooistra en Hiske van Doezum", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-wierd-jans-kooistra/I1355.php : accessed May 26, 2024), "Libbe Antjes van der Wal (± 1832-????)".
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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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