Isabel of Braganza, Duchess of Guimarães

For other people with similar names, see Isabella of Braganza (disambiguation).

Dona Isabel of Braganza (1514 – 16 September 1576) was a member of the House of Braganza, daughter of Jaime, Duke of Braganza (a nephew of Manuel I of Portugal) and Leonor Pérez de Guzmán.

Isabel of Braganza
Portrait by Francisco de Holanda, c. 1540–76.
Born	1514
Died	(1576-09-16)16 September 1576 Vila Viçosa
Spouse	Duarte, Duke of Guimarães
House	Braganza
Father	Jaime, Duke of Braganza
Mother	Leonor Pérez de Guzmán

Marriage

Isabel married her cousin Infante Duarte a son of Manuel I and Maria of Aragon in 1537. Isabel was dowried with the Dukedom of Guimarães, which had belonged to her brother Teodósio I, Duke of Braganza. After the marriage, Infante Duarte became the 4th Duke of Guimarães.

Her younger daughter Catherine became the Duchess of Braganza and had a claim to the throne of Portugal. She was also part of the succession crisis.

Issue

This marriage produced three children:

• Mary of Guimarães (1538–1577), married Alessandro Farnese, Duke of Parma and Piacenza.
• Infanta Catherine of Guimarães (1540–1614), Duchess of Braganza, married to John, 6th Duke of Braganza, she was a claimant of the throne of Portugal in 1580 (See: 1580 Portuguese succession crisis).
• Infante Duarte II, 5th Duke of Guimarães (1541–1576)

Ancestry

Ancestors of Isabel of Braganza, Duchess of Guimarães

8. Fernando I, Duke of Braganza 4. Fernando II, Duke of Braganza 9. Joana de Castro 2. Jaime, Duke of Braganza 10. Ferdinand, Duke of Viseu 5. Isabel of Viseu 11. Beatrice of Portugal 1. Isabel of Braganza 12. Enrique, 2nd Duke of Medina Sidonia 6. Juan Alonso, 3rd Duke of Medina Sidonia 13. Leonor de Ribera y Mendoza 3. Leonor de Guzmán y Velasco 14. Pedro, 2nd Count of Haro 7. Isabel de Velasco y Mendoza 15. Mencía de Mendoza y Figueroa