Nielsen Hayden genealogy
Family: Affonso I Henriques, King of Portugal / Mafalda of Savoy (F2034)
m. 1146Henry of Burgundy (1069-1112) 
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Teresa of Leon and Castile (1080-1130)
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| Amadeo III (1095-1148)
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| Mahaut of Albon ( -1146)
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Agnes of Savoy ( -1171)  |
| St. Umberto (1136-1189) |
| Affonso I Henriques, King of Portugal (1110-1185)
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| Mafalda of Savoy (1125-1157)
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| Urraca of Portugal (1150-1188) |
| Sancho I, King of Portugal (1154-1211) |