[1][2] Liberaki was born in Athens, Greece, the daughter of Sappho (née Fexi), a writer, and Themistoklis Lymberakis.
Her parents divorced when she was a child and she was raised by her maternal grandparents.
Her grandfather was the important publisher and bookstore owner Georgios D. Fexis [el].
[1] She studied law at the National and Kapodistrian University of Athens.
After their daughter's birth in 1946, they divorced and Liberaki moved to Paris, where she began to write for the theater in French and Greek.