BiographyPérez-Dueño y Fernández-Lavandera, Francisco b. 1897, Bayamón, Puerto Rico, Family moved to Spain while he was a youth; Puerto Rican; Father Juan Pérez-Dueño, from Austurias Spain, Mother Carmen Fernández-Lavandera; Attended medical school and served in the Spanish Navy as a doctor; Domicile Spain : Director of the Hospital de Sangre in Madrid; Military court in 1940 sentenced him to 6 months and one day in jail, died in jail shortly before his sentence was to end. d. May 1941.
Source: José Alejandro Ortiz Carrión and Teresita Torres Rivera, Voluntarios de la Libertad, Puertorriqueños en Defensa de la República Española 1936-1939. Code A