 Son of the maestro guaireño Ramon Indalecio Cardozo and Juana Sosa, inherited from his elders the love for reading and the noble principles of dignity and righteousness.He married Hilda Clara Saguier Aceval.In 1921, he joined the National College of Asuncion where he showed acute intelligence in 1925 became preside of the Student Center and ran magazine "Ariel" along with Juan Esteban Carrón.