Nielsen Hayden genealogy
Family: Tomaso I / Margaret of Geneva (F3301)
m. May 1195St. Umberto (1136-1189) 
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Beatrice de Mâcon ( -1230)
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| William I of Geneva (1130-1195)
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| Beatrice de Faucigny ( -1174)
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William II of Geneva ( -1252)  |
| Tomaso I (1177-1233)
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| Margaret of Geneva ( -1236)
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| Amedee of Savoy (1197-1253) |
| Beatrice of Savoy ( -1266) |
| Thomas of Savoy ( -1259) |