When Gregorio Verginelli was born in 1846, in Italy, his father, Agostino Verginelli, was 23 and his mother, Rosalia Monticelli, was 21. He married Petronilla Perri on 17 August 1879, in Zagarolo, Roma, Lazio, Italy. They were the parents of at least 3 sons and 1 daughter. He died in Três Pontas, Minas Gerais, Brazil.