When Juliana Rueda Camargo was born in 1850, in Galán, Santander, Colombia, her father, Melchor Rueda, was 25 and her mother, Concepción Camargo, was 20. She married Avelino Guarín Plata in 1879, in Galán, Santander, Colombia. They were the parents of at least 4 sons and 1 daughter. She died about 1953, in her hometown, at the age of 103.