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Dom Teodósio I of Braganza (Portuguese: Teodósio de Bragança; 1510 – 22 September 1563) was the 5th Duke of Braganza, among other titles. He is known for ceding the title of Duke of Guimarães to Infante Duarte of Aviz, alongside some of the wealth and properties of the House of Braganza.

Teodósio I
Teodósio I.png
Duke of Braganza
Tenure20 September 1532 – 22 September 1563
PredecessorJaime I
SuccessorJoão I
Vila Viçosa, Alentejo, Kingdom of Portugal
Died22 September 1563
Vila Viçosa, Alentejo, Kingdom of Portugal
SpouseIsabel of Lencastre
Beatriz of Lencastre
among others...
João I
HouseHouse of Braganza
FatherJaime I
MotherLeonor Pérez de Guzmán
ReligionRoman Catholicism
Duquesa D. Beatriz de Lencastre.


The Duke Teodósio I was an educated and refined man, a typical renaissance prince. He loved painting and sculpture.

Marriage and IssueEdit

In 1542, he married his 1st cousin Isabel of Lencastre (1513–1558), daughter of his uncle Dinis, and had John I of Braganza. Their child, João I succeeded him as 6th Duke of Braganza.

In 1559, he remarried with Beatriz of Lencastre (1542–1623), granddaughter of Infante George of Lencastre, Duke of Coimbra. Their first child, Jaime of Braganza, died without issue in 1578, in the Battle of Alcacer Quibir. Their second child, Isabel, married the 1st Duke of Caminha.

Name Birth Death Notes
João I 1543 22 February 1583 13th Count of Barcelos, 10th Count of Ourém, 7th Count of Arraiolos and Neiva, 6th Duke of Braganza, 5th Marquis of Vila Viçosa
Jaime unknown 4 August 1578 Died at the Battle of Alcacer Quibir; never married; no issue
Isabel 1560 unknown Married Miguel Luis de Meneses, 1st Duke of Caminha



External linksEdit

  Media related to Teodosio I of Braganza at Wikimedia Commons

Teodósio I, Duke of Braganza
Cadet branch of the House of Aviz
Born: 1430 Died: 1483
Portuguese nobility
Preceded by
Jaime I
Duke of Braganza; Marquis of Vila Viçosa;
Count of Barcelos, Ourém, Neiva, and Arraiolos

Succeeded by
João I
Duke of Guimarães
Succeeded by
Duarte I