When copying data from this family tree, please include a reference to the origin: Wilma Middelkoop, "Mijn voorouders van mijn vader Heijink", database, Genealogy Online (https://www.genealogieonline.nl/mijn-voorouders-van-mijn-vader-heijink/I2809.php : accessed June 12, 2024), "Jan Lubberts Brummelkamp (± 1600-< 1663)".
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