João, Duke of Viseu

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.

João
constable of Portugal
Duke of Beja and Viseu
Reign	1470 - 1472
Predecessor	Ferdinand, Duke of Viseu
Successor	Diogo, Duke of Viseu
Born	c. 1448
Died	1472
House	Aviz
Father	Ferdinand, Duke of Viseu
Mother	Beatriz 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

Ancestors of João, Duke of Viseu
8. John I of Portugal 4. Edward I of Portugal 9. Philippa of Lancaster 2. Ferdinand, Duke of Viseu 10. Ferdinand I of Aragon 5. Eleanor of Aragon 11. Eleanor of Alburquerque 1. João, Duke of Viseu 12. John I of Portugal (= 8) 6. John, Constable of Portugal 13. Philippa of Lancaster (= 9) 3. Beatrice of Portugal 14. Afonso I, Duke of Braganza 7. Isabel of Barcelos 15. Beatriz Pereira de Alvim

See also

• Duke of Beja
• Duke of Viseu
• Dukedoms in Portugal

External links

• Genealogy of John, 3rd Duke of Viseu, in Portuguese

Bibliography

• ”Nobreza de Portugal e do Brasil” – Vol. II, page 409. Published by Zairol Lda., Lisbon 1989.