In Italian is the fifth foal of Florentina (Redoute's Choice), a Group 3 winner in Australia, and the first she produced in Europe. Of the mare's first six foals, three are black-type horses and In Italian is the best of them; the others include Villa Carlotta (Street Cry), placed at Group 2 level in Australia, and the Listed-placed Fasano (Lonhro). Florentina is a half-sister to the Australian Group 1 winner Gathering (Tale of the Cat), who won the Gr.1 Railway Stakes, to the Listed winner California Turbo (Fastnet Rock) and to three other winners.

Second dam Celebria (Peintre Celebre) was a winner. She is a half-sister to Murjana (Giant's Causeway), a Group 3 winner, and is related to the Group winners Madam Legend and Niagara, whose dams are her half-sisters.

Third dam Twyla (Danehill) won in Australia. Her half-siblings include two Group 1 winners who became sires, Hurricane Sky (Star Watch) and Umatilla (Miswaki), and Florentina's sire Redoute's Choice is closely related to her, a three-parts brother.

The fourth dam Dancing Show (Nijinsky), a winner in the US, is also the ancestress of the Group 1 winners Al Maher, Shoals, Redoute's Choice, Platinum Scissors and Manhattan Rain.

Florentina has an unraced 4-year-old gelding, Spanish Empire (Kingman), and an unraced 2020 filly by the same sire, Fiorenza. She was barren to Pierro in 2021 and 2022.