Diego, Prince of Asturias and Portugal (Diego Felix; 15 August 1575 – 21 November 1582) was the fourth son of
Philip II of Spain
Philip II) in Spain, while in Portugal and his Italian kingdoms he ruled as Philip I ( pt, Filipe I). (21 May 152713 September 1598), also known as Philip the Prudent ( es, Felipe el Prudente), was King of Spain from 1556, King of Portugal from ...
and his third son by his fourth wife,
Anna of Austria.
Early life
At the time of his birth, Diego's elder brother,
Prince Ferdinand, was still the
heir-apparent. On the death Ferdinand in 1578, Diego became heir-apparent to the throne. Diego also had another elder brother, Carlos Lorenzo, who died in infancy. His mother had just learned of the death of Carlos Lorenzo, and she was said to have suffered such a shock from word of his death that it caused her to go into premature labour, giving birth to Diego.
He was formally invested as
Prince of Asturias
Prince or Princess of Asturias ( es, link=no, Príncipe/Princesa de Asturias; ast, Príncipe d'Asturies) is the main substantive title used by the heir apparent or heir presumptive to the throne of Spain. According to the Spanish Constitution ...
on 1 March 1580 by the Courts in Madrid. The poet
Cristóbal de Virués dedicated a sonnet to the new Prince, where he proposed that Diego follow the steps of his father.
[Freiherr von Münch: ''Book for Latin and English literature'', Ferd. Dümmler, 1860, p.159.]
In 1580, his father became
King of Portugal
This is a list of Portuguese monarchs who ruled from the establishment of the Kingdom of Portugal, in 1139, to the deposition of the Portuguese monarchy and creation of the Portuguese Republic with the 5 October 1910 revolution.
Through the ...
as well, making Diego heir-apparent of that realm also. His mother, Anna, died during a trip to their new kingdom. Diego and his siblings remained in Madrid under the care of half-sisters,
Isabella Clara Eugenia
Isabella Clara Eugenia ( es, link=no, Isabel Clara Eugenia; 12 August 1566 – 1 December 1633), sometimes referred to as Clara Isabella Eugenia, was sovereign of the Spanish Netherlands in the Low Countries and the north of modern France with ...
and
Catherine Michelle. The letters of Philip II make clear that he was extremely proud of Diego: he wrote that his son had already learned the alphabet and dancing by the age of five. In a letter dated 1582 the king wrote to the Indian Viceroy Francisco de Mascarenhas commanding that he bring an elephant to the Prince of Asturias as a gift. Philip II taught his son the Portuguese language so that one day Diego could speak as king with his Portuguese subjects. In addition, Philip II planned to betroth Diego to one of the daughters of
John, Duke of Braganza and Catherine of Portugal.
Death
Diego never became king. In late 1582 he contracted
smallpox
Smallpox was an infectious disease caused by variola virus (often called smallpox virus) which belongs to the genus Orthopoxvirus. The last naturally occurring case was diagnosed in October 1977, and the World Health Organization (WHO) c ...
and died at the age of 7. At his death, Philip II was inconsolable, for the only heir-apparent to the throne remaining was the small and sickly
Infante Philip, assuming the position of Prince of Asturias. The king gave orders that continuous prayers be said at the Church of Our Blessed Lady in
Zaragoza
Zaragoza, also known in English as Saragossa,''Encyclopædia Britannica'"Zaragoza (conventional Saragossa)" is the capital city of the Province of Zaragoza, Zaragoza Province and of the autonomous communities of Spain, autonomous community of Ara ...
for the health of the royal children remaining.
Diego's younger brother became King Philip III upon his father's death in 1598. Thus continued the lineage of the Spanish Habsburgs.
Ancestry
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1575 births
1582 deaths
16th-century House of Habsburg
Princes of Asturias
Dukes of Montblanc
Princes of Portugal
Spanish infantes
Portuguese infantes
Heirs apparent who never acceded
Children of Philip II of Spain
Burials in the Pantheon of Infantes at El Escorial
Royalty and nobility who died as children
Sons of kings