Nielsen Hayden genealogy
Family: Isaac II Angelos, Emperor of Byzantium / (First wife of Isaac II Angelos) (F1546)
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Father | Male
Isaac II Angelos, Emperor of Byzantium
Born Sep 1156 Constantinople 
Died Jan 1204 Constantinople Buried Married Other Spouse Margaret of Hungary | F8088 Married Father Andronikos Doukas Angelos | F2192 Group Sheet Mother Euphrosyne Kastamonitissa | F2192 Group Sheet
Mother | Female
(First wife of Isaac II Angelos)
Born Died Bef 1185 Buried Father Demetrios Tornikes | F8086 Group Sheet Mother (Unknown sister of Euthymios Malakes) | F8086 Group Sheet
Child 1 | Female
+ Irene Angelina
Born Abt 1181 Constantinople Died 27 Aug 1208 Hohenstaufen Castle, Bavaria Buried Spouse Philip II, King of Germany | F4774 Married 25 May 1197