Nielsen Hayden genealogy
Family: Godfrey I of Brabant / Clementia of Burgundy (F1523)
m. Aft 1119Henry II of Louvain (1021-1078) 
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Adelheid ( -1087)
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Henry III of Louvain ( -1095)  |
| Ida of Louvain ( -1139) |
| William I "The Great" of Burgundy ( -1087)
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| Stephanie ( -1093) |
| Ermentrude of Burgundy ( -1105) |
| Raymond of Burgundy (1060-1107) |
| Stephen I of Burgundy (1065-1102) |
| Sibylla of Burgundy (1065-1101) |
| Pope Callixtus II (1065-1124) |
| Gisela of Burgundy (1070-1134) |
| Godfrey I of Brabant (1060-1139)
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| Clementia of Burgundy (1078-1133)
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