Erfgoed Leiden eo: Huwelijken 1850. Origineel., archiefnummer 516, Archief van de ambtenaar van de burgerlijke stand, 1816-1928, inventarisnummer 4851, aktenummer 2 Gemeente Leiden
When copying data from this family tree, please include a reference to the origin: R.A.Hemerik, "Descendants Hemerik-Broekhuizen-Huner-Koper-Barink", database, Genealogy Online (https://www.genealogieonline.nl/parenteel-hemerik/I165980.php : accessed February 16, 2026), "Klaas Johannes Bulk".
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