Nielsen Hayden genealogy
Descendants of Waclaw of Masovia
Abt 1293 - 1336 (~ 43 years)Father: Boleslaw II of Masovia (Abt 1251 - 20 Apr 1313)
Mother: Kunigunde of Bohemia (Jan 1265 - 27 Nov 1321)
Waclaw of Masovia (Abt 1293 - 23 May 1336)
Dannila of Lithuania ( - 1364)(m. Bef 6 Dec 1320)
   └─ Anna of Masovia (Bef 1324 - 16 Feb 1363)
    Heinrich III of Silesia (Between 1312 and 1321 -
    13 Apr 1369 bur.Augustinian Cloister, Zagan, Zagan, Silesia, Poland)(m. Bef 6 Sep 1337)
    13 Apr 1369 bur.Augustinian Cloister, Zagan, Zagan, Silesia, Poland)(m. Bef 6 Sep 1337)
       └─ Jadwiga of Silesia (Bef 1350 - 27 Mar 1390 bur.Legnica, Lower Silesia, Poland)
        Ruprecht of Silesia (Between 1340 and 1347 - Bef 12 Jan 1409 bur.Legnica, Lower Silesia, Poland)
        (m. Bef 10 Feb 1372)
        (m. Bef 10 Feb 1372)
            + Rudolf III of Saxony (Abt 1373 - 9 Jun 1419 bur.Wittenberg, Saxony-Anhalt, Germany)(m. 6 Mar 1396)