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Infante João, Duke of Valencia de Campos: Wikis


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Portuguese Royalty
House of Burgundy
Afonso Henriques (Afonso I)
Children include
Sancho I
Children include
Afonso II
Children include
Sancho II
Afonso III
Children include
Children include
Afonso IV
Children include
Peter I
Children include
Ferdinand I
Children include
Beatrice (disputed queen)
Children include
  • Infante Miguel of Castile and Portugal

Infante João of Portugal (Portuguese pronunciation: [ʒuˈɐ̃ũ]; English: John) (1349-1387) was the son of Portuguese King Peter I and a Castilian noblewoman named Inês de Castro that had arrived in Portugal as a maid of Infanta Constance of Castile, recently married to Pedro I (Heir Prince at the time).

Considering João an Infante of Portugal is a debatable subject. Some historians consider him a natural son of Peter I, so the title Infante of Portugal could never be attributed to him. Other opinions refer that after the death of Inês de Castro, ordered by Pedro's father King Afonso IV of Portugal, the Prince after inheriting the throne admitted that he had married Inês secretly, and because of that she was a lawful Queen of Portugal.

Of Inês de Castro Peter I had two sons and a daughter:

After the death of his mother John left Portugal to Castile with his brother but during the 1383-1385 Crisis he was one of the claimants to the throne along with Beatrice of Portugal (his niece), John, Master of Aviz (his half-brother) and Dinis (his brother).

His connections with Castile eventually lost him the throne and at the time of the Battle of Aljubarrota he was already out of the country like his brother Denis.

He married twice. The first marriage was with a Castilian noblewoman Maria Teles de Menezes. The second was with Constance of Castile, lady of Alba de Tormes.

From his first marriage he had one son:

  • Infante Fernando, Lord of Eça

From his second marriage he had three daughters:

  • Infanta Maria, Lady of Valencia de Campos
  • Infanta Beatriz, Countess of Buelma
  • Infanta Joana of Valencia de Campos

He died in Salamanca in 1387.



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