Nielsen Hayden genealogy
Descendants of Igor Svjatoslavitsch
1151 - 1202 (50 years)Father: Svjatoslav II Nikolaj (Abt 1086 - 15 Feb 1164)
Mother: Marija of Novgorod ( - Apr 1164)
Igor Svjatoslavitsch (10 Apr 1151 - 1202)
   └─ Svjatoslav Igorjewitsch (Abt 1177 - Sep 1211)
    Jaroslawa Rjurikovna of Kiev (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)