Nielsen Hayden genealogy
Agafia Svjatoslava of Novgorod

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- 1 Agafia Svjatoslava of Novgorod [1] d. Aft 31 Aug 1247
Konrad I of Masovia b. Between 1187 and 1188 d. 31 Aug 1247
- 2 Casimir I of Kujawien [1.1]
b. Abt 1211 d. 14 Nov 1267
Euphrosyne of Oppeln b. Between 1228 and 1230 d. 4 Nov 1292
- 3 Euphemia of Kujawien [1.1.1]
d. 18 Mar 1308
Jurij I Lvovitsch, King of Halicz b. 24 Apr 1252 d. 1308
- 4 Marija Jurjewma of Halicz [1.1.1.1]
b. Bef 1293 d. 11 Jan 1341 [ =>]
- 4 Marija Jurjewma of Halicz [1.1.1.1]
- 3 Euphemia of Kujawien [1.1.1]
- 2 Siemowit I of Masovia [1.2]
b. Abt 1228 d. 23 Jun 1262
Pereslajawa Danilovna of Halicz d. 12 Apr 1283
- 3 Boleslaw II of Masovia [1.2.1]
b. Abt 1251 d. 20 Apr 1313
Gaudimanté of Lithuania d. Between 1288 and 1313
- 4 Trojden I of Masovia [1.2.1.1]
b. Between 1284 and 1286 d. 13 Mar 1341 [ =>]
- 4 Trojden I of Masovia [1.2.1.1]
Kunigunde of Bohemia b. Jan 1265 d. 27 Nov 1321
- 4 Waclaw of Masovia [1.2.1.2]
b. Abt 1293 d. 23 May 1336 [ =>]
- 4 Waclaw of Masovia [1.2.1.2]
- 3 Boleslaw II of Masovia [1.2.1]
- 2 Casimir I of Kujawien [1.1]