Dom Dom or DOM may refer to: People and fictional characters * Dom (given name), including fictional characters * Dom (surname) * Dom La Nena (born 1989), stage name of Brazilian-born cellist, singer and songwriter Dominique Pinto * Dom people, an et ...

João Manuel, Hereditary Prince of Portugal () (3 June 1537 – 2 January 1554) was a Portuguese '' infante'' (prince), the eighth son of King

John III of Portugal John III ( pt, João III ; 7 June 1502 – 11 June 1557), nicknamed The Pious (Portuguese: ''o Piedoso''), was the King of Portugal and the Algarves from 1521 until his death in 1557. He was the son of King Manuel I and Maria of Aragon, the thi ...

by his wife Catherine of Austria, daughter of Philip I of Castile and Joanna of Castile. As the heir to the throne he was styled Prince of Portugal.

Early life

Joao Manuel, Prince of Portugal by Hieronymus Cock

João Manuel was born on 3 June 1537 in the

Royal Palace of Évora The Royal Palace of Évora (Portuguese: ''Paço Real de Évora''), also known as the Royal Palace of São Francisco (''Paço Real de São Francisco'') and the Palace of King Manuel I (''Palácio de D. Manuel''), is a former royal residence of th ...

and became the heir to the throne of Portugal in 1539. He survived his four older brothers who died in childhood but was a sickly teenager. The successive inter-marriages between the houses of Spain and Portugal are believed to have some responsibility for his ill health. On 11 January 1552, he married Princess Joanna of Spain, his first double-cousin, through both paternal and maternal line, daughter of his paternal aunt

Isabella of Portugal Isabella of Portugal (24 October 1503 – 1 May 1539) was the empress consort and queen consort of her cousin Charles V, Holy Roman Emperor, King of Spain, Archduke of Austria, and Duke of Burgundy. She was Queen of Spain and Germany, and La ...

and of his maternal uncle, Emperor Charles V.

Death

João Manuel died of what the sources refer to as ''consumption'', which may refer to tuberculosis, on 2 January 1554, but some historians believe his death occurred as a result of diabetes, a disease he may have inherited from his maternal grandfather, Philip I. Eighteen days later, a posthumous son was born from his marriage: the future King

Sebastian I of Portugal Sebastian ( pt, Sebastião I ; 20 January 1554 – 4 August 1578) was King of Portugal from 11 June 1557 to 4 August 1578 and the penultimate Portuguese monarch of the House of Aviz. He was the son of João Manuel, Prince of Portugal, and hi ...

Ancestry

References

External links

{{Authority control House of Aviz Princes of Portugal Portuguese infantes Heirs apparent who never acceded 16th-century deaths from tuberculosis 1537 births 1554 deaths People from Évora 16th-century Portuguese people Tuberculosis deaths in Portugal Children of John III of Portugal Sons of kings