Javier was the son of Eduardo Hugo Cacciavillani and Maria Rosa Allione. The date and place of his birth have not been found.
His wife is not known. They were married, but the date and place have not been found. They had no known children.
Javier Cacciavillani
Eduardo Hugo Cacciavillani (c1930-)
Emilio Juan Pablo Cacciavillani (c1900-?)
Michele Francescopaolo Cacciavillani (c1870-?)
Olga Filippa Nelida (c1900-?)
Maria Rosa Allione (c1930-)