Nielsen Hayden genealogy
Family: Guy d'Avesnes, Bishop of Utrecht (F14345)
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John d'Avesnes (1218-1257)
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Adelaide of Holland (1230-1284)
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John II of Hainault (1247-1304)  |
| Jean II d'Avesnes (1247-1304) |
| Guy d'Avesnes, Bishop of Utrecht (1253-1317)
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| Maria d'Avesnes ( -1344) |