Nielsen Hayden genealogy
Family: William III of Hainault / Jeanne de Valois (F11191)
m. 19 May 1305John II of Hainault (1247-1304) 
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Philippa of Luxembourg (1252-1311)
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| Charles of France (1270-1325)
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| Margaret of Anjou (1272-1299)
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Philip VI, King of France (1293-1350)  |
| William III of Hainault (1286-1337)
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| Jeanne de Valois (1294-1342)
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| Margareta of Hainault (1310-1356) |
| Johanna of Holland and Hainault (1312-1374) |
| Philippa of Hainault, Queen Consort of England (1314-1359) |