Title: Dolorosa tragédia dos ínclitos infantes filhos de d. João I
Subjects: History
Places: Portugal
People: Duarte King of Portugal (1391-1438), Pedro Infante of Portugal (1392-1449), o Navegador, Infante of Protugal Henrique (1394-1460), John I King of Portugal (1357-1433), Fernando Infante of Portugal (1402-1443)
Time periods: Period of discoveries, 1385-1580