When copying data from this family tree, please include a reference to the origin: R. Schuurmans, "Familie Van Eijk tak Woerden2", database, Genealogy Online (https://www.genealogieonline.nl/van-eijk-tak-woerden2/I34005.php : accessed February 13, 2026), "Joannes Cornelius Hols (????-< 1889)".
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Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
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