About Infante John, Duke of Viseu
Lived 1448 – 1472 (aged 23–24). Infante John, Duke of Viseu was an aristocrat.
Infante João of Viseu (c. 1448 1472) was the older son of Infante Fernando, Duke of Viseu and of his wife Infanta Beatrice of Portugal.
In 1470, following his father's death, he inherited the titles of Duke of Viseu and Duke of Beja, as well as the Lordships of Covilhã and Moura.
He also became Master of the Order of Christ and of the Order of Santiago, becoming also Constable of Portugal.
In July 1472, his uncle, King Afonso V granted him the Moroccan city of Anfa (in Portuguese Anafé).
He died young and single, without issue. His brother, Infante Diogo, inherited his titles and estates.
Ancestry
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Contemporaries
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Frequently asked questions
Who was Infante John, Duke of Viseu?
Portuguese infante
When was Infante John, Duke of Viseu born?
Infante John, Duke of Viseu was born in 1448 in Kingdom of Portugal.
When did Infante John, Duke of Viseu die?
Infante John, Duke of Viseu died in 1472 in Kingdom of Portugal.
What was Infante John, Duke of Viseu's occupation?
Infante John, Duke of Viseu was an aristocrat.
Sources & further reading
· Wikipedia: Infante John, Duke of Viseu
· DBpedia: João, Duke of Viseu
Cite this page
APA: Biography.guide. (2026). Infante John, Duke of Viseu. https://biography.guide/infante-john-duke-of-viseu/
MLA: "Infante John, Duke of Viseu." Biography.guide, https://biography.guide/infante-john-duke-of-viseu/.
Chicago: "Infante John, Duke of Viseu." Biography.guide. https://biography.guide/infante-john-duke-of-viseu/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
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