Descendancy for Helene von Znaim: NH genealogy

Nielsen Hayden genealogy

- 1206

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1 Helene von Znaim ^[1] d. Between 1202 and 1206
- Casimir II b. 1138 d. 5 May 1194
  - 2 Konrad I of Masovia ^[1.1] b. Between 1187 and 1188 d. 31 Aug 1247
    - Agafia Svjatoslava of Novgorod d. Aft 31 Aug 1247
      - 3 Casimir I of Kujawien ^[1.1.1] b. Abt 1211 d. 14 Nov 1267
        
        Euphrosyne of Oppeln b. Between 1228 and 1230 d. 4 Nov 1292
        
        4 Euphemia of Kujawien ^[1.1.1.1] d. 18 Mar 1308 [ =>]
      - 3 Siemowit I of Masovia ^[1.1.2] b. Abt 1228 d. 23 Jun 1262
        
        Pereslajawa Danilovna of Halicz d. 12 Apr 1283
        
        4 Boleslaw II of Masovia ^[1.1.2.1] b. Abt 1251 d. 20 Apr 1313 [ =>]