Juan Gregorio Lemos

Lemos was born on May 24, 1764, in Mendoza, Argentina and was baptized on July 16 of the same year in the parish San Nicolás de Tolentino.^[3] His parents were Onofre Lemos y Ladrón de Guevara and María Antonia Corvalán de Castilla y Escalante Videla, belonging to a distinguished Creole family.^[4] He did his elementary studies in the Colegio Nacional de Monserrat.^[5]

In 1803, Lemos served as Alférez in the Regimiento Voluntarios de Caballería de Mendoza, being promoted to lieutenant of the same regiment in 1809.^[6] In 1810, he requested the discharge of the army to occupy the position of Regidor of the city Council of Mendoza and then designated as Customs Administrator of that province until 1815.^[7]

In 1816, Lemos was designated as Comisario de Guerra (Commissar of War) and Intendant General of the Army of the Andes.^[8] He took part in the battles of Chacabuco, Cancha Rayada, and Maipú.^[9] In 1820, Lemos accompanied General San Martín in his expedition to Peru, participating in the Declaration of Independence of that country on July 28, 1821.^[10]

Juan Gregorio Lemos was married in Buenos Aires to Josefa Tiburcia Castañer Salas,^[11] daughter of Martín Castañer Calumer, born in Canet de Mar, and María Isabel Salas Díaz, born in the city.

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