Nielsen Hayden genealogy
Family: Philip II, King of Germany / Irene Angelina (F4774)
m. 25 May 1197Frederick Barbarossa, Holy Roman Emperor (1122-1190) 
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Beatrice of Burgundy (1144-1184)
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Heinrich VI, Holy Roman Emperor (1165-1197)  |
| Otto II von Hohenstaufen (1167-1200) |
| Isaac II Angelos, Emperor of Byzantium (1156-1204)
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| (First wife of Isaac II Angelos) ( -1184)
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| Philip II, King of Germany (1177-1208)
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| Irene Angelina (1181-1208)
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| Maria von Hohenstaufen (1201-1235) |
| Kunigunde von Hohenstaufen (1202-1248) |
| Elizabeth von Hohenstaufen (1205-1235) |