When copying data from this family tree, please include a reference to the origin: Marja, "Family tree Colijn/Van de Waal/Kamphuis/De Ridder", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kamphuis-colijn-van-de-waal-de-ridder/I1776.php : accessed September 21, 2024), "Adriaentje IJmersdr (????-< 1662)".
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