The publication Genealogie: van der Knaap - Rotterdam has been compiled by Adri (aad) van der Knaap. The data collection consists of 2,797 persons, data about 430 individuals have not been published to protect their privacy. More statistical information about the publication (like numbers and dispersion of genealogical events) can be found on the statistics page. A list with used sources can be found on the sources page.
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