Nielsen Hayden genealogy
Family: Guy de Dampierre / Isabelle of Luxembourg (F14711)
m. Mar 1265Guillaume de Dampierre (1196-1231) 
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Margaret II of Flanders (1202-1280)
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| Henry of Luxembourg (1217-1281)
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| Margaret of Bar (1220-1275)
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Philippine de Luxemburg ( -1311)  |
| Henry III of Luxembourg (1240-1288) |
| Walram I of Luxembourg (1243-1288) |
| Philippa of Luxembourg (1252-1311) |
| Guy de Dampierre (1226-1304)
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| Isabelle of Luxembourg (1247-1298)
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| Marguerite van Vlaanderen ( -1328) |
| Isabelle de Dampierre ( -1323) |
| Jean I de Dampierre (1267-1330) |