Nielsen Hayden genealogy
Family: Edward I, King of England / Eleanor of Castile, Queen Consort of England (F1704)
m. 18 Oct 1254Henry III, King of England (1207-1272) 
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Beatrice of England (1242-1275)  |
| Edmund "Crouchback" (1245-1296) |
| Fernando III (St. Fernando), King Of Castile, León, Galicia, Toledo, Córdoba, Jaén, and Seville (1201-1252)
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| Jeanne de Dammartin (1220-1279)
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| Edward I, King of England (1239-1307)
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| Eleanor of Castile, Queen Consort of England (1240-1290)
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| Joan of Acre (1272-1307) |
| Margaret of England (1275-1333) |
| Elizabeth of England (1282-1316) |
| Edward II, King of England (1284-1327) |