Nielsen Hayden genealogy
Descendants of Svjatoslav III, Grand Prince of Kiev
Abt 1120 - 1194 (~ 74 years)Father: Vsevolod II, Grand Prince of Kiev (Abt 1085 - 1 Aug 1146)
Mother: Marija Mstislawna of Kiev ( - 1179)
Svjatoslav III, Grand Prince of Kiev (Abt 1120 - 24 Jul 1194)
Marija Wasilkowna (m. 1143)
   └─ Vsevolod III, Grand Prince of Kiev ( - Between 1214 and 1215)
    (Unknown) of Poland (1164 - 1194)(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)