Which woman was the mother, grandmother, great-grandmother and great-great-grandmother of four Roman emperors?

Octavia the Younger (69 BCE - 11 BCE), also known as Octavia Minor or simply Octavia, is the sister of the first Roman Emperor, Augustus (known also as Octavian), half-sister of Octavia the Elder, and fourth wife of Mark Antony.

She is also the mother-in-law of the Emperor Tiberius, great-grandmother of the Emperor Caligula and Empress Agrippina the Younger, maternal grandmother of the Emperor Claudius, and paternal great-grandmother and maternal great-great grandmother of the Emperor Nero.