When Antonio Francesco Fretti was born on 2 August 1882, in Rocca del Colle, Bagnatica, Bergamo, Lombardy, Italy, his father, Giovanni Battista Fretti, was 45 and his mother, Emilia Terzi, was 31. He married Emilia Valenti on 16 May 1908, in Bagnatica, Bergamo, Lombardy, Italy. They were the parents of at least 1 son. He died on 24 February 1967, in Bagnatica, Bergamo, Lombardy, Italy, at the age of 84.