Nielsen Hayden genealogy
Descendants of Mstislaw Mstislawitsch of Novgorod
Bef 1176 - 1228 (> 52 years)Father: Mstislaw Rostislavitch (Abt 1150 - 13 Jun 1180)
Mother: (Unknown) of Kiev
Mstislaw Mstislawitsch of Novgorod (Bef 1176 - 1228)
   └─ Anna Mstislawna of Novgorod ( - Bef 1252)
    Daniil Romanovich, King of Ruthenia (Between 1201 and 1202 - 1264)
       ├─ Pereslajawa Danilovna of Halicz ( - 12 Apr 1283)
       │ Siemowit I of Masovia (Abt 1228 - 23 Jun 1262)(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)
       │     :       └─ 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)
       │     :           └─ Anna of Silesia (Abt 1325 - 1367 bur.Collegiate Church of the Holy Sepulchre,
       │     :            Legnica, Lower Silesia, Poland)
       │     :            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)
       │     :            the 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)
       │     :                27 Mar 1390 bur.Legnica, Lower Silesia, Poland)(m. Bef 10 Feb 1372)
       │     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)
       │             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)
       │                    └─ 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)
       └─ Leo Danilowitsch, King of Halicz (Abt 1228 - 1301)
        Constance of Hungary (m. Between 1251 and 1252)
           └─ Jurij I Lvovitsch, King of Halicz (24 Apr 1252 - 1308)
            Euphemia of Kujawien ( - 18 Mar 1308)
               └─ Marija Jurjewma of Halicz (Bef 1293 - 11 Jan 1341)
                Trojden I of Masovia (Between 1284 and 1286 - 13 Mar 1341)(m. Bef 1310)
                   └─ This couple were related to each other. Any descendants have been already been listed