Infante Augusto, Duke of Coimbra was a Portuguese infante of the House of Braganza. Wikipedia
Born: November 4, 1847, Necessidades Palace, Lisbon, Portugal
Died: September 26, 1889 (age 41 years), Lisbon, Portugal
Great-grandparents: John VI of Portugal, Francis II, Holy Roman Emperor, Carlota Joaquina of Spain, and more
Siblings: Infante Joăo, Duke of Beja, Infante Fernando of Portugal, Infanta Maria, and more
Parents: Maria II of Portugal and Fernando II of Portugal
Cousins
Ferdinand I of Bulgaria
via Fernando II of Portugal
Isabel, Princess Imperial of Brazil
via Maria II of Portugal
Prince Ludwig August of Saxe-Coburg and Gotha
via Fernando II of Portugal
Princess Leopoldina of Brazil
via Maria II of Portugal
Afonso, Prince Imperial of Brazil
via Maria II of Portugal
Pedro Afonso, Prince Imperial of Brazil
via Maria II of Portugal