Nielsen Hayden genealogy
Family: Philippe III, King of France / Isabella of Aragon, Queen Consort of France (F12772)
m. 28 May 1262Louis IX (St. Louis), King of France (1214-1270) 
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Margaret of Provence, Queen Consort of France (1221-1295)
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Robert of France (1256-1318)  |
| Agnes of France (1260-1325) |
| James I, King of Aragón (1208-1276)
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| Violant of Hungary ( -1251)
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| Yolande of Aragón (1237-1301) |
| Pedro III, King of Aragon; King of Sicily (1240-1285) |
| Philippe III, King of France (1245-1285)
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| Isabella of Aragon, Queen Consort of France (1243-1271)
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| Charles of France (1270-1325) |