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)
      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)
Number of people in this chart: 15 (including 7 spouses and 2 parents) in 4 generations.
Links to charts that show additional descendants: 2
Lines that wrap to another line: 2
Chart Summary