Peter V, nicknamed "the Hopeful", was King of Portugal from 1853 to 1861. Wikipedia
Born: September 16, 1837, Necessidades Palace, Lisbon, Portugal
Died: November 11, 1861 (age 24 years), Necessidades Palace, Lisbon, Portugal
Spouse: Stephanie of Hohenzollern-Sigmaringen (m. 1858–1859)
Great-grandparents: John VI of Portugal, Carlota Joaquina of Spain, Francis II, Holy Roman Emperor, and more
Grandparents: Pedro I of Brazil, Maria Leopoldina of Austria, Prince Ferdinand of Saxe-Coburg and Gotha, and more
Siblings: Luís I of Portugal, Infanta Maria Ana of Portugal, Infanta Antónia of Portugal, and more
Cousins
Ferdinand I of Bulgaria
via Fernando II of Portugal
Isabel, Princess Imperial of Brazil
via Maria 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
Prince Ludwig August of Saxe-Coburg and Gotha
via Fernando II of Portugal