Infanta Beatriz, Countess of Alburquerque

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For other uses of this term, see Beatrice of Portugal (disambiguation).
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
Denis
Children include
Afonso IV
Children include
Peter I
Children include
Ferdinand I
Children include
Beatrice (disputed queen)
Children include
  • Miguel of Transtámara, Crown Prince of Portugal

Beatrice of Portugal (pron. IPA: [biɐ'tɾiʃ]) was the daughter of Portuguese King Peter I and a Castilian noblewoman called Inês de Castro that had arrived in Portugal as a maid of princess Constance of Castile, recently married to Pedro I (Heir Prince at the time).

Beatrice was born in Coimbra around the period of 1347-1351 and she became Countess of Alburquerque when she married Sancho, Count of Alburquerque. She died in 1381.

Considering Beatrice an Infanta of Portugal is a debatable subject. Some historians consider her a natural daughter of Peter I, so the title Infanta of Portugal could never be attributed to her. 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: