Nielsen Hayden genealogy
Family: Adalberto, Joint King of Italy / Gerberge (F2276)
Berengario II, King of Italy (900-966) 
|
Willa of Arles ( -964)
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| Lambert of Châlon ( -977)
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| Adélaïde ( -1000) |
Mahaut de Châlon ( -1018)  |
| Gerberge ( -986)
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| Otto-William of Burgundy (961-1026) |