Family: Guy III of Dampierre Count of Flanders / Isabella of Luxemburg (F15433)
m. 1248William (Guillaume Ii) of Dampierre (1197-1231) 
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Margaret I Countess of Flanders (1202-1280)
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William III Count of Flanders (1224-1251)  |
| Henry V\Ii The Blond Count of Luxemburg (1217-1281)
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| Margaret Countess Von Barr ( -1275)
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| Walran of Luxemburg ( -1288) |
| Henry VI Count of Luxemburg (1240-1288) |
| Philippa of Luxemburg (1252-1311) |
| Guy III of Dampierre Count of Flanders (1225-1305)
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| Isabella of Luxemburg ( -1298)
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| Jean I of Namur (1267-1330) |
| Marguerite of Flanders (1240-1331) |
| Isabel Dampierre (1280- ) |