Nielsen Hayden genealogy
Descendants of Mieszko I of Oppeln
1146 - 1221 (~ 89 years)Father: Wladislaw II, King of Poland (1105 - 30 May 1159)
Mother: Agnes of Babenberg (Between 1110 and 1111 - 25 Jan 1157)
Mieszko I of Oppeln (Between 1132 and 1146 - 16 May 1221)
Ludmilla ( - Aft 20 Oct 1210)(m. Between 1170 and 1178)
   └─ Kasimir I of Oppeln (Between 1176 and 1179 - 13 May 1230 bur.Abbey of Czarnowasy, Opole, Poland)
    Viola ( - 7 Sep 1251)(m. Between 1212 and 1220)
       ├─ Wladislaw of Oppeln (Abt 1225 - Abt 27 Aug 1281)
       │ Euphemia of Poland ( - Aft 15 Feb 1281)(m. 1251)
       │    └─ Mieszko I of Silesia (Between 1252 and 1256 - Between 1313 and 1317)
       │     (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)
       │         Aft 21 Sep 1358 bur.Cieszyn, Silesia, Poland)
       │         Euphemia of Masovia (Abt 1310 - Aft 1373 bur.Cieszyn, Silesia, Poland)
       │         (m. Between 1321 and 1324)
       │         (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)
       │             Holy Sepulchre, Legnica, Lower Silesia, Poland)(m. Between 1338 and 1340)
       │                └─ Ruprecht of Silesia (Between 1340 and 1347 -
       │                 Bef 12 Jan 1409 bur.Legnica, Lower Silesia, Poland)
       │                 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)
       │                 (m. Bef 10 Feb 1372)
       │                    └─ Barbara of Silesia-Liegnitz ( - 16 May 1435) =>
       │                     + Rudolf III of Saxony (Abt 1373 -
       │                     9 Jun 1419 bur.Wittenberg, Saxony-Anhalt, Germany)(m. 6 Mar 1396)
       │                     9 Jun 1419 bur.Wittenberg, Saxony-Anhalt, Germany)(m. 6 Mar 1396)
       └─ Euphrosyne of Oppeln (Between 1228 and 1230 - 4 Nov 1292)
        Casimir I of Kujawien (Abt 1211 - 14 Nov 1267)(m. 1257)
           └─ Euphemia of Kujawien ( - 18 Mar 1308)
            Jurij I Lvovitsch, King of Halicz (24 Apr 1252 - 1308)
               └─ Marija Jurjewma of Halicz (Bef 1293 - 11 Jan 1341)
                Trojden I of Masovia (Between 1284 and 1286 - 13 Mar 1341)(m. Bef 1310)
                   └─ Euphemia of Masovia (Abt 1310 - Aft 1373 bur.Cieszyn, Silesia, Poland)
                    Casimir I of Silesia (Between 1276 and 1280 -
                    Aft 21 Sep 1358 bur.Cieszyn, Silesia, Poland)(m. Between 1321 and 1324)
                    Aft 21 Sep 1358 bur.Cieszyn, Silesia, Poland)(m. Between 1321 and 1324)
                       └─ This couple were related to each other. Any descendants have been already
                        been listed
                        been listed