John III of Portugal
John III (7 June 1502 – 11 June 1557) nicknamed The Colonizer (Portuguese: "o Colonizador")
was the King of Portugal and the Algarves from 13 December 1521 to 11 June 1557.
He was the son of King Manuel I and Maria of Aragon, the third daughter of King Ferdinand II of Aragon and Queen Isabella
I of Castile.
John succeeded his father in 1521, at the age of nineteen.
During his rule, Portuguese possessions were extended in Asia and in the New World through the Portuguese colonization of Brazil.
John III's policy of reinforcing Portugal's bases in India (such as Goa) secured Portugal's monopoly over the spice trade of cloves and nutmeg from the Maluku Islands, as a result of which John III has been called the "Grocer King".
On the eve of his death in 1557, the Portuguese empire had a global dimension and spanned almost 1 billion acres (about 4 million square kilometers).
During his reign, the Portuguese became the first Europeans to make contact with both China, under the Ming dynasty, and Japan, during the Muromachi period.
He abandoned Muslim territories in North Africa in favor of trade with India and investment in Brazil.
In Europe, he improved relations with the Baltic region and the Rhineland, hoping that this would bolster Portuguese trade.
John, Prince of Portugal (1451)
John, Prince of Portugal was a Portuguese infante, son of Afonso V and Isabella of Coimbra.
He was born heir to the throne in 1451, but he died young during the same year.
The title of Prince of Portugal then passed again to Infante Ferdinand, Duke of Viseu, his uncle.
Urraca of Portugal
Urraca of Portugal(( Coimbra, 1148 – Wamba, Valladolid, 1211) was an infanta of Portugal, daughter of Afonso Henriques, the first king of Portugal, and his wife, Queen Maud of Savoy.
She was queen consort of León as the wife of King Ferdinand II and the mother of Alfonso IX.
Afonso, Prince of Portugal
Afonso, Prince of Portugal( 18 May 147513 July 1491) was the heir apparent to the throne of Portugal.
He was born in Lisbon, Portugal, and died in a horse- riding accident on the banks of the river Tagus.
Manuel, Prince of Portugal (1531–1537)
Manuel, Prince of Portugal( 11 November 1531 – 14 April 1537), was the Prince of Portugal from 1535 to his death in 1537.
He was the fifth child son of king John III of Portugal and Catherine of Austria.
In 1535, his father officially designated him as Prince of Portugal, taking the place of his eldest sister Infanta Maria Manuela.
However, after his premature death at five years old, his younger brother Infante Filipe became the next Prince of Portugal.
Infante Dinis, Duke of Porto
" Infante Dom" Dinis, Duke of Porto( born 25 November 1999) is an Infante of Portugal, as a member of the Portuguese Royal Family.
The third child of" Dom" Duarte Pio, Duke of Braganza, the current pretender to the defunct throne of Portugal, and" Dona" Isabel Inês de Castro Curvello de Herédia, the Duke of Porto is second in the line of succession to the former Portuguese throne, after his elder brother," Dom" Afonso, Prince of Beira.
Beatriz, Duchess of Viseu
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.
João Fernandes de Andrade
João Fernandes de Andrade( 1470s – 1527) was a Portuguese nobleman, who served in the Court of Afonso V and John II of Portugal.
Afonso, Prince of Portugal (1526)
Afonso, Prince of Portugal was the first son of king John III of Portugal and his queen, Catherine of Austria.
He was the Prince of Portugal but died in the same year he was born, in 1526.
Philip, Prince of Portugal
Filipe, Prince of Portugal( 25 March 1533 – 29 April 1539), was the Prince of Portugal from 1537 to his death in 1539.
He was the sixth child son of king John III of Portugal and Catherine of Austria.
In 1537, he succeeded his brother Prince Manuel as Prince of Portugal, after his premature death.
However, after his own premature death, two years later, after reaching six years old, his younger brother Infante João Manuel became the next Prince of Portugal.

Question: What is the date of death of Afonso, Prince Of Portugal (1526)'s father?
Answer: 11 June 1557