Nielsen Hayden genealogy

Descendants of Siemowit I of Masovia

Male Abt 1228 - 1262  (~ 34 years)


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Father: Konrad I of Masovia     (Between 1187 and 1188 - 31 Aug 1247)
Mother: Agafia Svjatoslava of Novgorod     ( - Aft 31 Aug 1247)

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)
      :         └─ 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)
      :               └─ Anna of Silesia   (Abt 1325 -
      :                   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)
      :                     └─ 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)
      :                           └─ 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)
      :                                 └─ Barbara of Saxony   (Abt 1406 - 10 Oct 1465 Bayreuth, Bavaria, Germany)  =>
      :                                   + Johann "the Alchemist" of Brandenburg (Bef 29 Sep 1403 -
      :                                      16 Nov 1464 Baiersdorf, Bavaria, Germany)(m. 26 May 1412)
      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)
                      └─ 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)
                            └─ This couple were related to each other. Any descendants have been already been listed
Number of people in this chart: 25 (including 12 spouses and 2 parents) in 8 generations.
Links to charts that show additional descendants: 1
Lines that wrap to another line: 10
Chart Summary