Nielsen Hayden genealogy
Descendants of Mstislaw II Chabry, Grand Prince of Kiev
Abt 1125 - 1172 (~ 47 years)Father: Isjaslaw II, Grand Prince of Kiev (1096 - 13 Nov 1154)
Mother: (Unknown) of Swabia ( - 1151)
Mstislaw II Chabry, Grand Prince of Kiev (Abt 1125 - 13 Aug 1172)
Agnieszka of Poland (1137 - Aft 1182)(m. Between 1151 and 1152)
   └─ Roman, Grand Prince of Kiev (Aft 1160 - 19 Jun 1205 Zawichost, Poland)
    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)
    Anna Komnena (m. Abt 1200)
       └─ Daniil Romanovich, King of Ruthenia (Between 1201 and 1202 - 1264)
        Anna Mstislawna of Novgorod ( - Bef 1252)
           ├─ Pereslajawa Danilovna of Halicz ( - 12 Apr 1283) =>
           │ + Siemowit I of Masovia (Abt 1228 - 23 Jun 1262)(m. Abt 1248)
           └─ Leo Danilowitsch, King of Halicz (Abt 1228 - 1301) =>
            + Constance of Hungary (m. Between 1251 and 1252)