Gregorio was born on 22 FEB 1862 in Pratola Peligna, L'Aquila, Italy, the son of Pelino Alessandro d'Amato and Maria Crescenza Zavarella.
Gregorio d'Amato (1862-?)
Pelino Alessandro d'Amato (c1830-<1889)
Maria Crescenza Zavarella (c1831-?)
Giuseppe Antonio Zavarella (c1806-c1855)
Crescenzo Zavarella (c1752-1818)
Margarita Fabrizi (c1757-1837)
Maria Giuseppa Liberatore (c1803-?)
Giuseppe Liberatore (c1769-1816)
Maria Fedela Petrella (c1768-c1828)