When copying data from this family tree, please include a reference to the origin: Ad (A.H.J.) de Kruijff, "Family tree De Kruijff", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-de-kruijff/I14444.php : accessed June 17, 2024), "Albert van der Haar (± 1896-????)".
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