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Son of Jan z Vartemberka, Herr zu Wartenberg and Katharina von Straz, Herrin zu Wartenberg Husband of Agnes von Wlastiborcicz Father of Johann Gast von Wartenberg zu Teschen Brother of Kateřina Z. Vartemberka
https://genealogics.org/getperson.php?personID=I00050143&tree=LEO