Nielsen Hayden genealogy
Family: William IV of Toulouse / Emma of Mortain (F477)
m. Bef 1080Pons II William (990-1060) 
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Almodis de La Marche (1010-1071)
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Raymond IV of Toulouse ( -1105)  |
| Almodis de Toulouse ( -1152) |
| Robert de Mortain (1031-1090)
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| Maud de Montgomery ( -1082)
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| William IV of Toulouse (1040-1093)
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| Emma of Mortain ( -1135)
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| Philippa of Toulouse ( -1117) |