Nielsen Hayden genealogy
Descendants of Ioannes II Komnenos Doukas, Emperor of Byzantium
1087 - 1143 (55 years)Father: Alexios I Komnenos, Emperor of Byzantium (Between 1048 and 1057 - 15 Aug 1118)
Mother: Irene Doukaina (Abt 1066 - 19 Feb 1123)
Ioannes II Komnenos Doukas, Emperor of Byzantium (13 Sep 1087 - 8 Apr 1143 Mount Tarsus, Cilicia, Anatolia)
Eirene of Hungary (Abt 1078 - 13 Aug 1134)(m. 1104)
   └─ Andronikos Komnenos (Abt 1108 - 1142)
    Eirene ( - Between 1150 and 1151)(m. Abt 1124)
       ├─ Ioannes Doukas Komnenos (1128 - Aft 17 Sep 1176 Myriokephalon, Phrygia)
       │
       │    └─ Maria Komnena (1154 - Between 1208 and Feb 1217) =>
       │     + Amalric I d'Anjou, King of Jerusalem (1136 - 11 Jul 1174)(m. 29 Aug 1167 Tyre)
       └─ Theodora Komnena (Abt 1130 - 2 Jan 1184)
        Heinrich II of Austria (Abt 1107 - 13 Jan 1177)(m. 1149)
            + Helene of Hungary (Abt 1158 - 25 May 1199)(m. 1172)