Template:House of Aviz

For the Portuguese infanta, daughter of Edward of Portugal, see: Joan of Portugal
Selige Johanna

Blessed Joan of Portugal (February 6, 1452 – May 12, 1490; Portuguese: Santa Joana Princesa, Portuguese pronunciation: [ˈsɐ̃tɐ ʒuˈɐnɐ pɾĩˈsezɐ]), was a Portuguese princess of the House of Aviz, daughter of King Afonso V of Portugal and his first wife Isabella of Coimbra.

Infanta Joan of Portugal was the second child of Afonso, but after the early death of her older brother John she was declared heiress to the throne in spite of being female. She was given the title of "Princess of Portugal," a title was reserved for the heir apparent. Other children of the king were styled, "Infante (Prince)" or "Infanta (Princess)". Even though she lost it after the birth of her younger brother, the future John II of Portugal, among the people she continued to be known as Princess Joan.

From a young age, Joan expressed a desire to become a nun; however, as she was second-in-line to the throne, her father did not allow it. During his military expedition to Tangier in 1471, Joan served as Regent of the Portuguese Kingdom. After vehemently refusing several proposals of marriage, Joan joined the Dominican Convent of Jesus in Aveiro in 1475. Her brother had, by then, been given an heir, so the family line was no longer in danger. Still, she was compelled several times to leave the convent and return to the court. She never professed as a nun. She continued to be a great supporter of her brother, John II of Portugal, throughout his reign and her life.

Joan died on May 12, 1490 in Aveiro and was buried in the Convent of Jesus in Aveiro. She was beatified in 1693 by Pope Innocent XII. As of this writing she has not been canonized, but she is known in Portugal as the Princess Saint Joan.


17th century pietra dura tomb of Blessed Joan of Portugal


Joana's ancestors in three generations
Joana, Princess of Portugal Father:
Afonso V of Portugal
Father's father:
Edward of Portugal
Father's father's father:
John I of Portugal
Father's father's mother:
Philippa of Lancaster
Father's mother:
Leonor of Aragon
Father's mother's father:
Ferdinand I of Aragon
Father's mother's mother:
Eleanor of Albuquerque
Isabel of Coimbra
Mother's father:
Infante Pedro, Duke of Coimbra
Mother's father's father:
John I of Portugal
Mother's father's mother:
Philippa of Lancaster
Mother's mother:
Isabella of Urgel
Mother's mother's father:
James II, Count of Urgell
Mother's mother's mother:
Isabella of Aragon

External links

This article incorporates text from the Catholic Encyclopedia of 1913, a publication now in the public domain.Template:Portuguese infantas

Joan, Princess of Portugal
Cadet branch of the House of Burgundy
Born: 6 February 1452 Died: 12 May 1490
Preceded by
Princess of Portugal
Succeeded by
John (future John II)

ca:Joana de Portugal i de Coïmbrapt:Santa Joana, Princesa de Portugal

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