John Corvinus
John Corvinus ( Hungarian: "Corvin János" , Croatian: "Ivaniš Korvin"; 2 April 1473 – 12 October 1504 ) was the illegitimate son of Matthias Corvinus , King of Hungary , and his mistress , Barbara Edelpöck . 
<triplet> John Corvinus <subj> Matthias Corvinus <obj> father <subj> Barbara Edelpöck <obj> mother <triplet> Matthias Corvinus <subj> John Corvinus <obj> child <subj> Barbara Edelpöck <obj> unmarried partner <triplet> Barbara Edelpöck <subj> Matthias Corvinus <obj> unmarried partner