Nielsen Hayden genealogy
Family: Gossuin III de Mons / Béatrix de Rumigny (F15091)
Gossuin II de Mons ( -1125) 
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Ida van Ath ( -1137)
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| Alix of Hainaut (1097-1154)
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| Gossuin III de Mons ( -1176)
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Alix de Mons ( -1206)  |