Alfonso was born on 05 MAY 1210 in Coimbra, (Portugal) , the son of Alphonso II Sanchez de Portugal and Urraca de Castilla.
He died on 16 FEB 1279 in Alcobaça, Coimbra .
He had two marriages/partners. His first wife was Mathilde II de Boulogne. They were married, but the date and place have not been found. They had no known children.
His second wife was Beatriz Alfonso de Castilla, who he married in 1253. The place has not been found. Their only known child was Affonso (1263-1312).
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Alfonso III de Portugal |
Alphonso II Sanchez de Portugal |
Sanche I de Portugal |
Alfonso I de Portugal |
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Mathilde de Savoie |
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Dolça de Aragón |
Ramón IV Berenguer de Barcelona |
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Pétronilla Ramírez |
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Urraca de Castilla |
Alfonso VIII Sánchez de Castilla |
Sancho III Alfonsez de Castilla |
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Blanca de Navarra |
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Aliénor Plantagenêt |
Henri II Plantagenêt |
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Aliénor d'Aquitaine |
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| Event | Date | Details | Source | Multimedia | Notes | ||
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| Birth | 5 MAY 1210 |
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| Death | 16 FEB 1279 |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
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| Nobility Title | FROM 4 JAN 1248 TO 16 FEB 1279 | rei de Portugal e do Algarve |