Nielsen Hayden genealogy
Family: Conrad II "The Salic", Holy Roman Emperor / Gisele of Swabia (F106)
m. Bef Feb 1016Henry of Speyer (968-989) 
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| Hermann II of Swabia ( -1003)
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Gerberga of Burgundy ( -1017)
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Mathilde of Swabia ( -1032)  |
| Gisele of Swabia (995-1043)
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| Heinrich III, Holy Roman Emperor (1016-1056) |