Who was Julius Caesar's heir?

Augustus. He was born Gaius Octavius into the plebeian branch of the Octavii. Julius Caesar, his great uncle, adopted him in his will as his heir, hence forward calling him “Octavianus”. Known in history as Augustus Caesar. read more

On Caesar's return to Italy in September 45 BC, he filed his will, naming his grandnephew Gaius Octavius (Octavian, later known as Augustus Caesar) as his principal heir, leaving his vast estate and property including his name. read more

Caesar's Heir On March 15, 44 BC, the Roman world was shaken to it's foundation with the assassination of Julius Caesar. Though the effect would prove to be staggering, (ie the plunge into yet another devastating civil war), no Roman was as profoundly affected as Gaius Octavius. read more

Julius Caesar hadn’t have any sons when he adopted his grand nephew Gaius Octavius, making him his heir. Hence Gaius Octavius changed his name to Gaius Julius Caesar Octavianus, and later he would get the title of Augustus, name whereby he is known in history. read more