 Davinio lived a turbulent young life marked by heroin addiction and abuse of drugs and alcohol; this experience emerges in many of her literary works, particularly in "Il libro dell'oppio 1975 – 1990" (The Book of Opium 1975 – 1990).In 1980 she married the Turkish entrepreneur Levent Muharrem Sergün in Rome, moving to Munich and Istanbul; in 1982 their son Leonardo was born in Rome.After the divorce in 1984, Caterina married Claudio Preziosi in Rome in 1986, giving birth, in the same year, to her son Riccardo Amedeo.