- (c. 1347-1381) Daughter of King Pedro of Portugal and Dona Inês de Castro.
- Married Sancho Afonso of Castile, Lord of Alburquerque, son of Alfonso XI of Castile and his mistress Leonor Núñez de Guzmán. Her marriage (1373) was part of the peace treaty signed in Santarém between her half-brother Fernando of Portugal and Enrique II of Castile.