Beatrice of Portugal (died 1381)

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Beatrice of Portugal
Beatriz de Portugal, Condessa de Alburquerque - The Portuguese Genealogy (Genealogia dos Reis de Portugal).png
Countess of Alburquerque
Tenurec. 1373–19 March 1374 (1374-03-19)
Bornc. 1354
Coimbra, Kingdom of Portugal
Died5 July 1381(1381-07-05) (aged 26–27)
Ledesma, Crown of Castile
SpouseSancho Alfonso of Alburquerque
IssueFernando Sánchez of Alburquerque
Eleanor, Queen of Aragon
FatherPeter I of Portugal
MotherInês de Castro
ReligionRoman Catholicism

Beatrice of Portugal (c. 1347(1381-07-05)5 July 1381) was Countess of Alburquerque as the wife of Sancho Alfonso of Alburquerque. She was the daughter of Peter I of Portugal and his wife Inês de Castro.


Beatrice was born in 1347 in Coimbra. Beatrice's entitlement to be considered an Infanta of Portugal is debatable. Some historians consider her a natural daughter of Peter I, so that title could never be attributed to her. Other opinions assert that the death of Inês de Castro was ordered by Peter's father Afonso IV of Portugal; after inheriting the throne, the Prince admitted that he had married Inês secretly, and she was thus a lawful Queen of Portugal.

Beatrice became Countess of Alburquerque when she married Sancho Alfonso of Alburquerque in 1373. Beatrice held this title for a year, until her husband died on 19 March 1374.


Beatrice and Sancho Alfonso of Alburquerque had two children:


Beatrice's ancestors in three generations
Beatrice of Portugal Father:
Peter I of Portugal
Paternal grandfather:
Alfonso IV of Portugal
Paternal great-grandfather:
Denis I of Portugal
Paternal great-grandmother:
Elizabeth of Aragon
Paternal grandmother:
Beatrice of Castile
Paternal great-grandfather:
Sancho IV of Castile
Paternal great-grandmother:
María de Molina
Inês de Castro
Maternal grandfather:
Pedro Fernández de Castro
Maternal great-grandfather:
Fernando Rodríguez de Castro
Maternal great-grandmother:
Violante Sánchez de Castilla [es]
Maternal grandmother:
Aldonça Lourenço de Valadares
Maternal great-grandfather:
Lourenço Soares de Valadares
Maternal great-grandmother:
Sancha Nunes de Chacim