Beatrice, Countess of Alburquerque

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Beatriz de Portugal, Condessa de Alburquerque - The Portuguese Genealogy (Genealogia dos Reis de Portugal).png
Beatriz in Genealogia dos Reis de Portugal (António de Holanda; 1530-1534)
Countess of Alburquerque
Bornc. 1347-51
Coimbra, Kingdom of Portugal
Died5 July 1381
Ledesma, Crown of Castile
SpouseSancho Alfonso, 1st Count of Alburquerque
IssueFernando Sánchez
Eleanor, Queen of Aragon
HousePortuguese House of Burgundy
FatherPeter I of Portugal
MotherInês de Castro
ReligionRoman Catholicism

Infanta Beatrice of Portugal (Portuguese pronunciation: [biɐˈtɾiʃ]; Portuguese: Beatriz; c.1347/51–1381) was the daughter of Portuguese King Peter I and a Galician noblewoman called Inês de Castro.


Beatrice was born in Coimbra around the period of 1347–1351. Beatrice's entitlement to be considered an Infanta (Princess) of Portugal is debatable. Some historians consider her a natural daughter of Peter I, so the title Infanta of Portugal could never be attributed to her. Other opinions assert that the death of Inês de Castro was ordered by Peter's father King 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, 1st Count of Alburquerque (1373). They had two children:

Beatrice died in 1381.