Nielsen Hayden genealogy
Descendants of Casimir II
1138 - 1194 (56 years)Father: Boleslaw III "Wrymouth", King of Poland (20 Aug 1085 - 28 Oct 1138)
Mother: Salome von Berg-Schelklingen (Bef 1101 - 27 Jul 1144)
Casimir II (1138 - 5 May 1194)
:   └─ (Unknown) of Poland (1164 - 1194)
:    Vsevolod III, Grand Prince of Kiev ( - Between 1214 and 1215)(m. 1178)
:       └─ St. Michael of Chernigov, Grand Prince of Kiev (Abt 1185 - 20 Sep 1246)
:        Marija Romanowna of Halicz ( - Aft 1241)
:           └─ Rosztiszlo, King of Bulgaria; Grand Duke of Kiev (Between 1212 and 1225 - Abt 1264) =>
:            + Anna of Hungary (Abt 1226 - ??)(m. 1244)
Helene von Znaim ( - Between 1202 and 1206)(m. Between 1185 and 1186)
   └─ Konrad I of Masovia (Between 1187 and 1188 - 31 Aug 1247)
    Agafia Svjatoslava of Novgorod ( - Aft 31 Aug 1247)(m. 1207)
       ├─ Casimir I of Kujawien (Abt 1211 - 14 Nov 1267)
       │ Euphrosyne of Oppeln (Between 1228 and 1230 - 4 Nov 1292)(m. 1257)
       │     + Jurij I Lvovitsch, King of Halicz (24 Apr 1252 - 1308)
       └─ 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)
            + Kunigunde of Bohemia (Jan 1265 - 27 Nov 1321)(m. 1291)