Nielsen Hayden genealogy
Family: Pietro II of Aragón, King of Sicily / Elisabeth of Carinthia (F17489)
m. 23 Apr 1322Federico II of Aragón, King of Sicily (1272-1337) 
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Eleanora d'Anjou (1289-1341)
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Elisabeth of Aragon (1309-1349)  |
| Otto II of Carinthia (1265-1310)
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| Euphemia of Silesia and Breslau (1278-1347)
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| Pietro II of Aragón, King of Sicily (1304-1342)
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| Elisabeth of Carinthia (1298-1352)
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| Beatrix of Sicily-Aragón (1326-1365) |