Emilio Núñez Portuondo was the son of General Emilio Núñez Rodriguez, vice president of Cuba during the second administration of General Mario García Menocal in 1917-1921, and who was also governor of Havana from 1899 to 1902 as well as Minister of Agriculture, Commerce and Labor 1913-1917. Dr. Núñez Portuondo's brother was the 1948 Cuban presidential candidate, Dr. Ricardo Núñez Portuondo. He was married three times and had four children, Emilio Núñez Blanco, Ricardo Núñez Garcia, Brunilda Núñez Fábrega and Fernando Núñez Fábrega, a former Minister of Foreign Relations of the Republic of Panama. His eldest son, Emilio Núñez Blanco, elected to the Cuban House of Representatives in 1958, though unable to take office, was the second husband of Mirta Díaz-Balart (the first wife of Fidel Castro).
Emilio Núñez Portuondo is buried in Panama City next to his third wife, Panamanian, Olga Fábrega y Fábrega (married December 3, 1937).
References
Los Propietarios de Cuba 1958, Guillermo Jimenez Soler (Havana, Cuba: Editorial de Ciencias Sociales, 2007) (in Spanish)
Cuba The Pursuit of Freedom, Hugh Thomas (London, Great Britain:Eyre & Spottiswoode Ltd., 1971) SBN 413-27470-5