May 21 » Henry III of Castile sends Ruy González de Clavijo as ambassador to Timur to discuss the possibility of an alliance between Timur and Castile against the Ottoman Empire.
July 21 » Battle of Shrewsbury: King Henry IV of England defeats rebels to the north of the county town of Shropshire, England.
October 7 » Venetian–Genoese wars: The Genoese fleet under a French admiral is defeated by a Venetian fleet.
When copying data from this family tree, please include a reference to the origin: Ton Deunhouwer, "Family tree Dullemen", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-dullemen/I159366.php : accessed February 1, 2026), "Margarethe Comte de Roncy".
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