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He was a personal friend of physician, journalist, politician, and writer Juan B. Justo, with whom he maintained a correspondence.
He founded, along with Juan B. Alberdi, Juan María Gutiérrez and Esteban Echeverría, the "Salón Literario", the beginning of the Generation of '37.
In mid-January 1869, when there is news that Asuncion was invaded by allied forces, Jovellanos returns to Paraguay, at the age of thirty-six, along with Juan B. Gill, Jose Decoud, Juan Antonio Jara, Carlos Loizaga, Benigno Ferreira, Cayo Miltos and other citizens who were considered "expatriates".