Gregorio was born on 6 SEP 1853 in Palena, Chieti, Italy, the son of Pasquale Tocco and Maria Nicola Gasbarro.
Gregorio Tocco (1853-?)
Pasquale Tocco (c1818-?)
Maria Nicola Gasbarro (1818-?)
Falco Gasbarro (c1788-?)
Saveria DelMastro (c1790-?)