When copying data from this family tree, please include a reference to the origin: m.vellinga, "Family tree Vellinga - Kroontje - Huitema - Tolsma", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-vellinga-kroontje-huitema-tolsma/I3369.php : accessed June 21, 2024), "Tjal Doeckes".
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