Giulio Caccini (c.1545–1618), Florentine composer, significant groundbreaker of the early Baroque era; Francesca Caccini (1587–1640?), Giulio's daughter, & the easily-known opera composer in the early 17th century; Settimia Caccini (1591–1638?) Giulio's daughter, the illustrious singer & occasional composer; Giovanni Caccini, Florentine sculptor of the late Renaissance, possibly related to Giulio;