De familie van Yzendoorn komt de stamboom van Severi jn binnen door het huwelijk van Josephus Wilhelmus van Yzendoorn met J osephina Adriana Petronella Frietman.
When copying data from this family tree, please include a reference to the origin: Gijsbertus Cornelis (Bert) Severijn, "Family tree Severijn", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-severijn/I5487.php : accessed January 17, 2026), "Cornelis van Yzendoorn".
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