Octavia the Younger

Octavia the Younger , also known as Octavia Minor or simply Octavia, was the elder sister of the first Roman Emperor, Augustus , the halfsister of Octavia the Elder, and the fourth wife of Mark Antony. She was also the greatgrandmother of the Emperor Caligula and Empress Agrippina the Younger, maternal grandmother of the Emperor Claudius, and paternal greatgrandmother and maternal greatgreat grandmother of the Emperor Nero.

Full sister to Augustus, Octavia was the only daughter born of Gaius Octavius second marriage to Atia Balba Caesonia, niece of Julius Caesar. Octavia was born in Nola, Italy her father, a Roman governor and senator, died in 59 BC from natural causes. Her mother later remarried, to the consul Lucius Marcius Philippus. Octavia spent much of her childhood travelling with her parents. Marcius was in charge of educating Octavia and her brother Augustus.

Source: Wikipedia