Alphonse of Braganza (in Portuguese Afonso) (1400–1460) was the older son of Afonso, 1st Duke of Braganza (natural son of King John I of Portugal) and of his wife, Beatriz Pereira Alvim (daughter of Nuno Álvares Pereira).
Through a formal document dated from 4 April 1422, his maternal grandfather, the Constable Nuno Álvares Pereira, donated him the County of Ourém, which had King Duarte’s royal confirmation only on 24 November 1433.
He was sent by the King as his special ambassador to the Council of Basel (1436) and to the Council of Florence (1439), visiting also Ferrara and Rome.
By a document issued on 11 October 1451, King Afonso V of Portugal granted him the title of Marquis of Valença. He was the first Marquis to exist among Portuguese nobility.
Still in October 1451, he escorted Infanta Leonor of Portugal (King Duarte’s daughter) in her trip from Lisbon to Livorno, where she met her groom, Frederick III, Holy Roman Emperor. They got married in Rome, where Pope Nicholas V blessed this marriage.
In 1458, he also took part in the Portuguese expedition to north Africa, which conquered the Moroccan city of Alcácer Ceguer (Al Qsar as-Seghir).
He had a natural son from Dona Beatriz de Sousa (some say they have secretly married), Afonso de Portugal, forced to be a clergyman by King John II of Portugal, who became Bishop of Évora, from whom descends the Counts of Vimioso.
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Afonso, Marquis of Valença
Cadet branch of the House of Aviz and House of Burgundy
Born: 1400 Died: 1460 |
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| Portuguese nobility | ||
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| Preceded by Nuno Álvares Pereira, 3rd Count of Ourém |
Count of Ourém 1422–1460 |
Succeeded by Fernando I of Braganza, 5th Count of Ourém |
| Preceded by New Title |
Marquis of Valença 1451–1460 |
Succeeded by Not Renovated |