Nielsen Hayden genealogy
Descendants of Margareta von Heunberg
Father: Ulrich III von Heunberg ( - 1308)
Mother: Agnes von Baden (1250 - 2 Jan 1295)
Margareta von Heunberg
Ulrich IV von Pfannberg (Abt 1260 - Bef 1318)(m. Bef 2 May 1288)
   └─ Ulrich V von Pfannberg ( - 23 Oct 1354 bur.Vienna, Austria)
    Margareta (m. Bef 24 Mar 1331)
       └─ Katharina von Pfannberg ( - Between 1374 and 1375)
        Meinhard VI of Görz (Abt 1322 - Aft 6 May 1385)(m. 18 Nov 1347)
           └─ Katherina of Görz ( - 31 May 1391 bur.Seligenthal, Thuringia, Germany) =>
            + Johann II of Bavaria (Abt 1341 - 8 Aug 1397 Munich, Bavaria, Germany)
            (m. Between Oct 1372 and Nov 1372)
            (m. Between Oct 1372 and Nov 1372)