Atia Balba Caesonia (85 -43 BC), or simply Atia, was the wife of Gaius Octavius governor of Macedonia and Roman senator. They had two children, a daughter named Octavie and a younger son named Octavian, who would later become the first Roman emperor. In 59 BC. BC, Gaius Octavius died on his way to Rome to become consul.
Atia married a second time with Lucius Marcius Philippus, consul in the year 56 BC. J.-C. and ardent defender of Julius Caesar. He arranged the marriage of his daughter-in-law Octavia to Gaius Claudius Marcellus Minor, senator and future consul. Atia was a religious and careful matron, Tacitus considered her the ideal Roman matron.
She had doubts about the legitimacy of her son Octave to be Caesar's heir, and she tried to dissuade him from accepting her inheritance. She died during her son's first consulship in 43 BC. J.-C.. Octave paid him the most important honors during his burial. Philippus would later marry one of his sisters.