Nielsen Hayden genealogy
Descendants of Agafia Svjatoslava of Novgorod
- Aft 1247Father: Svjatoslav Igorjewitsch (Abt 1177 - Sep 1211)
Mother: Jaroslawa Rjurikovna of Kiev
Agafia Svjatoslava of Novgorod ( - Aft 31 Aug 1247)
Konrad I of Masovia (Between 1187 and 1188 - 31 Aug 1247)(m. 1207)
   ├─ Casimir I of Kujawien (Abt 1211 - 14 Nov 1267)
   │ Euphrosyne of Oppeln (Between 1228 and 1230 - 4 Nov 1292)(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)
   │             (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)
   └─ Siemowit I of Masovia (Abt 1228 - 23 Jun 1262)
    Pereslajawa Danilovna of Halicz ( - 12 Apr 1283)(m. Abt 1248)
       └─ Boleslaw II of Masovia (Abt 1251 - 20 Apr 1313)
        Gaudimanté of Lithuania ( - Between 1288 and 1313)(m. 1279)
        :   └─ Trojden I of Masovia (Between 1284 and 1286 - 13 Mar 1341)
        :    Marija Jurjewma of Halicz (Bef 1293 - 11 Jan 1341)(m. Bef 1310)
        :       └─ This couple were related to each other. Any descendants have been already been listed
        Kunigunde of Bohemia (Jan 1265 - 27 Nov 1321)(m. 1291)
           └─ 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)
                    Bef 12 Jan 1409 bur.Legnica, Lower Silesia, Poland)(m. Bef 10 Feb 1372)
                       └─ This couple were related to each other. Any descendants have been already
                        been listed
                        been listed