ماتياس كورفينوس
Vladislaus II of Bohemia and Hungary wrote in the same year 1490 many letters with the same text to many of the Hungarian nobility. He wrote that Beatrice had written to him, that Matthias Corvinus and Beatrice had decided that Stephen Zápolya, the father of John Zápolya, should become the next duke of Austria after Matthias Corvinus.