Dom Fernando II of Braganza was the 3rd Duke of Braganza and the 1st Duke of Guimarães, among other titles. He is known for being executed for treason against the King. Wikipedia
Born: 1430, Kingdom of Portugal
Died: June 20, 1483 (age 53 years), Evora, Portugal
Grandchildren: Teodósio I, Duke of Braganza, Isabel of Braganza, Duchess of Guimarães, Constantino of Braganza, and more
Children: Jaime, Duke of Braganza and Dinis of Braganza, Count of Lemos
Parents: Fernando I, Duke of Braganza and Joana de Castro
Spouse: Isabel of Viseu (m. 1472–1483) and Leonor de Meneses (m. 1447–1452)
Great-grandparents: John I of Portugal, Nuno Álvares Pereira, Doña Teresa Téllez-Girón, Señora de El Frechoso, and more