Profession: between 1219 and 1240 heer van Horne (1219-1240). Hij was heer van Horn en ook onder meer van Helmond. In 1222 verkocht hij de heerlijkheid Helmond aan hertog Hendrik I van Brabant, waarna deze heerlijkheid onder invloed van de hertog van Brabant kwam. in Horne.
When copying data from this family tree, please include a reference to the origin: vlissingen1981, "Family tree Luza", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-luza/I191.php : accessed February 2, 2026), "Willem van Horne (????-1240)".
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