When copying data from this family tree, please include a reference to the origin: JJJ van Collenburg, "Family tree Van Collenburg / Kollenburg / Collenberg / Collenberc / Collenberch", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-collenburg/I4.php : accessed February 5, 2026), "Johanna Cornelia de Leng".
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