Teodósio, Prince of Brazil

Prince of Brazil, Duke of Braganza (more...)
Born (1634-02-08)February 8, 1634
Ducal Palace of Vila Viçosa, Vila Viçosa, Kingdom of Portugal
Died May 13, 1653(1653-05-13) (aged 19)
Belem, Lisbon, Kingdom of Portugal
Burial Royal Pantheon of the Braganza Dynasty
House House of Braganza
Father John IV of Portugal
Mother Luisa de Guzmán

D. Teodósio, Prince of Brazil, Duke of Braganza (Teodósio de Bragança; Portuguese pronunciation: [tiuˈdɔziu]) (8 February, 1634 13 May, 1653) was the heir-apparent son of John IV of Portugal (first king of the House of Braganza) and his wife Luisa de Guzmán (Luísa de Gusmão). In 1645 he was given the title of Prince of Brazil, a new crown-princely position thus created. Also, his father granted him the duchy as 10th Duke of Braganza, presumably after his uncle Duarte died in 1649.


Theodosius Lusitanis sive Princips Perfecti Vera Effigies; 1679.

He was born on February 8, 1634 in Vila Viçosa and was the heir to the throne of Portugal since then until his death at only 19 years of age.

When the prince was 16 years old he took part in the State Council's reunions.

D. Teodósio's death, on May 13, 1653 caused great unrest in the kingdom. Having just regained a separate monarchy from Spain, Portugal was on the verge of a succession crisis, as his brother Afonso (Future Afonso VI of Portugal) was assumed to die. Teodósio's death would cause his incompetent brother to ascend to the throne. His next brother, the medically and mentally problem-ridden Infante Afonso, succeeded him as Prince of Brazil, Duke of Braganza and heir-apparent of the kingdom. Due to mental incapacity and impotence, Afonso was deposed by Pedro, Duke of Beja and died childless.


D. Teodósio was a very gifted young man. He knew Greek and Latin, was keen on philosophy and well respected amongst the great intellectuals of the time.

The Prince had a great interest in Astrology. He had a collection of charts of his family and made predictions on several political subjects. His astrological interests were encouraged and aided by his tutor, the Jesuit priest António Vieira. Under the tutelage of astrologers of the day, he composed many astrological charts.

See also



Media related to Teodósio III of Braganza at Wikimedia Commons

Teodósio, Prince of Brazil
Cadet branch of the House of Aviz
Born: 8 February 1634 Died: 13 May 1653
Preceded by
Balthasar Charles
Prince of Portugal
Renaming of Title:
Prince of Brazil
New title Prince of Brazil
Succeeded by
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