Nielsen Hayden genealogy
Descendants of Rjurik II Wassilij, Grand Prince of Kiev
Abt 1144 - Abt 1215 (~ 71 years)Father: Rostislav I (Abt 1110 - 14 Mar 1168)
Rjurik II Wassilij, Grand Prince of Kiev (Abt 1144 - Abt 1215)
Anna Georgiewna ( - Between 1205 and 1214)(m. Bef 1172)
   ├─ Predslawa Rjurikowna ( - Aft 1202)
   │ Roman, Grand Prince of Kiev (Aft 1160 - 19 Jun 1205 Zawichost, Poland)
   │    └─ Marija Romanowna of Halicz ( - Aft 1241)
   │     St. Michael of Chernigov, Grand Prince of Kiev (Abt 1185 - 20 Sep 1246)
   │        └─ Rosztiszlo, King of Bulgaria; Grand Duke of Kiev (Between 1212 and 1225 - Abt 1264) =>
   │         + Anna of Hungary (Abt 1226 - ??)(m. 1244)
   └─ Jaroslawa Rjurikovna of Kiev
    Svjatoslav Igorjewitsch (Abt 1177 - Sep 1211)(m. Oct 1188)
       └─ Agafia Svjatoslava of Novgorod ( - Aft 31 Aug 1247)
        Konrad I of Masovia (Between 1187 and 1188 - 31 Aug 1247)(m. 1207)
           │ + Euphrosyne of Oppeln (Between 1228 and 1230 - 4 Nov 1292)(m. 1257)
            + Pereslajawa Danilovna of Halicz ( - 12 Apr 1283)(m. Abt 1248)