Duarte, Duke of Guimarães (1515–1540)
Appearance

Edward of Portugal (Portuguese language: Duarte, pron. IPA /du.'aɾ.tɨ/) - (Lisbon, October 7 1515-Lisbon, September 20 1540).
4th Duke of Guimarães and Prince of Portugal, was son of King Manuel I of Portugal and his wife Maria of Aragon.
In 1537 he married Isabel of Braganza, daughter of James, 4th Duke of Braganza, who was dowried as the Duchess of Guimaraes in her own right.
This marriage produced three children:
- 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: Struggle for the throne of Portugal).
He is buried in the Monastery of Jerónimos in Lisbon.