SchiedamGen: geboorteakte Kethel en Spaland 3.1862.8
Digitale Stamboom Delft: huwelijksakte Hof van Delft 1884-4
The Genealogische Databank Westland e.o. publication was prepared by wijlen Petra Schoenmakers (1966-2020) (at the request of the family this publication remains available, contact is not possible).
When copying data from this family tree, please include a reference to the origin: wijlen Petra Schoenmakers (1966-2020), "Genealogische Databank Westland e.o.", database, Genealogy Online (https://www.genealogieonline.nl/verzameling-petra-schoenmaker/I54102.php : accessed May 15, 2024), "Christianus van Koppen (1862-????)".
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