Beatriz of Portugal, Duchess of Viseu

Infanta Beatrice
Duchess of Viseu
Depiction of Infanta Beatriz in a 1678 portrait in the Convent of Beja
Born	13 June 1430
Died	30 September 1506 (aged 76)
Spouse	Infante Fernando, Duke of Viseu
Issue	John, Duke of Viseu Diogo, Duke of Viseu Eleanor, Queen of Portugal Isabella, Duchess of Braganza Manuel I of Portugal
House	Aviz
Father	John, Constable of Portugal
Mother	Isabella of Barcelos
Signature

Infanta Beatriz of Portugal (13 June 1430 – 30 September 1506) was a Portuguese infanta, daughter of John, Constable of Portugal (fourth son of King John I of Portugal and his wife Philippa of Lancaster), and Isabella of Barcelos, a daughter of Afonso I, Duke of Braganza.