When copying data from this family tree, please include a reference to the origin: W. Janssen Lok, "Family tree Janssen Lok", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-janssen-lok/I583.php : accessed June 9, 2024), "Johan Theodoor Marie van den Heuij landbouwer te Malden (± 1860-????)".
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