Nielsen Hayden genealogy
Family: Henri I of Brabant / Machtild of Boulogne (F784)
m. 1179Godfrey III (1141-1190) 
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Margaret von Limburg ( -1172)
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| Mathieu of Flanders (1138-1173)
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| Marie of England (1136-1182)
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Ida of Flanders ( -1216)  |
| Henri I of Brabant (1158-1235)
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| Machtild of Boulogne (1169-1210)
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| Margareta of Brabant (1192-1231) |
| Aleidis of Brabant (1194-1266) |
| Machteld of Brabant (1200-1267) |
| Henri II of Brabant (1207-1248) |