Nielsen Hayden genealogy
Family: Philippe III, King of France / Marie of Brabant, Queen Consort of France (F5296)
m. 21 Aug 1274St. Louis IX, 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) |
| Henry III of Brabant (1230-1261)
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| Alix of Burgundy (1233-1273)
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| Jan I of Brabant (1252-1294) |
| Godfried of Brabant (1255-1302) |
| Philippe III, King of France (1245-1285)
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| Marie of Brabant, Queen Consort of France (1256-1321)
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| Marguerite of France, Queen Consort of England (1275-1318) |
| Louis (1276-1319) |