November 18 » A seawall at the Zuiderzee dike in the Netherlands breaks, flooding 72 villages and killing about 10,000 people. This event will be known as St Elizabeth's flood.
About the surname Heer van Diest en Zeelhem Burggraaf van Antwerpen
When copying data from this family tree, please include a reference to the origin: Frans Chodzynski, "Family tree Chodzynski", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-chodzynski/I8095.php : accessed January 8, 2026), "Jan Heer van Diest en Zeelhem Burggraaf van Antwerpen (????-1424)".
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