Nielsen Hayden genealogy
Descendants of Casimir I of Silesia
1280 - Aft 1358 (~ 82 years)Father: Mieszko I of Silesia (Between 1252 and 1256 - Between 1313 and 1317)
Mother: (Unknown wife of Mieszko I of Silesia) ( - Bef 1303)
Casimir I of Silesia (Between 1276 and 1280 - Aft 21 Sep 1358 bur.Cieszyn, Silesia, Poland)
Euphemia of Masovia (Abt 1310 - Aft 1373 bur.Cieszyn, Silesia, Poland)(m. Between 1321 and 1324)
   └─ Anna of Silesia (Abt 1325 -
    1367 bur.Collegiate Church of the Holy Sepulchre, Legnica, Lower Silesia, Poland)
    1367 bur.Collegiate Church of the Holy Sepulchre, Legnica, Lower Silesia, Poland)
    Wenzel I of Silesia (Between 1310 and 1318 - 2 Jun 1364 bur.Collegiate Church of the Holy Sepulchre, Legnica,
    Lower Silesia, Poland)(m. Between 1338 and 1340)
    Lower Silesia, Poland)(m. Between 1338 and 1340)
       └─ Ruprecht of Silesia (Between 1340 and 1347 - Bef 12 Jan 1409 bur.Legnica, Lower Silesia, Poland)
        Jadwiga of Silesia (Bef 1350 - 27 Mar 1390 bur.Legnica, Lower Silesia, Poland)(m. Bef 10 Feb 1372)
            + Rudolf III of Saxony (Abt 1373 - 9 Jun 1419 bur.Wittenberg, Saxony-Anhalt, Germany)(m. 6 Mar 1396)