When copying data from this family tree, please include a reference to the origin: J.A.B. (Han) Schoorlemmer, "families Schoorlemmer, Appels, Hoogveld, Prinsen en verwanten", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-schoorlemmer/I2614.php : accessed June 1, 2024), "Willem van Oostrum (± 1804-????)".
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