When copying data from this family tree, please include a reference to the origin: Leen Couprie, "Family tree Couprie, Heijer, Bontenbal, Boersma", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-couprie-heijer-bontenbal-boersma/I3017.php : accessed September 25, 2024), "Cornelis Adriaensz de Jager,".
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