Nielsen Hayden genealogy
Descendants of Marija Romanowna of Halicz
- Aft 1241Father: Roman, Grand Prince of Kiev (Aft 1160 - 19 Jun 1205 Zawichost, Poland)
Mother: Predslawa Rjurikowna ( - Aft 1202)
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)
       └─ Kunhata of Slavonia and Machva (Abt 1245 - 9 Sep 1285)
        Przemysl Ottokar II, King of Bohemia (Abt 1230 - 26 Aug 1278)(m. 25 Oct 1261 Bratislava, Slovakia)
           │ + Boleslaw II of Masovia (Abt 1251 - 20 Apr 1313)(m. 1291)
           └─ Wenceslas II, King of Bohemia (17 Sep 1271 - 21 Jun 1305 Prague, Bohemia) =>
            + Guta von Habsburg (13 Mar 1271 - 18 Jun 1297 Prague, Bohemia)(m. 24 Jan 1285 Eger, Heves, Hungary)