Nielsen Hayden genealogy
Family: Frederick Barbarossa, Holy Roman Emperor / Beatrice of Burgundy (F8)
m. 9 Jun 1156Frederick II von Hohenstaufen (1090-1147) 
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Judith of Bavaria (1100-1130)
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Bertha of Swabia (1123-1195)  |
| Renaud III of Burgundy (1093-1148)
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| Agatha of Lorraine ( -1147)
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| Frederick 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) |
| Philip II, King of Germany (1177-1208) |