Ferdinand the Holy Prince1402 - 1443 Born Wed, 29 September 1402 Santarém Died Mon, 5 June 1443 Fez Buried Batalha Monastery, Batalha Details Parents Fernando Lived 40 years, 8 months, 7 days father John I of Portugal 1357 - 1433 mother Philippa of Lancaster 1360 - 1415 Siblings Sister Blanche 1388 - 1389 Brother Afonso 1390 - 1400 Brother Edward 1391 - 1438 Brother Peter 1392 - 1449 Brother Henry the Navigator 1394 - 1460 Sister Isabella of Portugal 1397 - 1471 Brother John 1400 - 1442