Octavia Minor

Octavia the Younger (69 BC – 11 BC), also known as Octavia Minor or simply Octavia, was 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 was also the 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.