He was a co-founder of the Great Club of the People along with José Segundo Decoud, Facundo Machaín, Juan José Decoud, Cayo Miltos and Miguel Palacios.
Cayo District | Cayo Miltos | Cayo | Miltos Manetas | Cayo Sila Godoy | Cayo Hundred | Cayo Coco |
Among those who attended that meeting were: Jose Segundo Decoud, Cayo Miltos, Carlos Loizaga, Juan A. Jara and Salvador Jovellanos.
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".