Antony, meanwhile, married Caesar's lover, Cleopatra of Ptolemaic Egypt, intending to use the fabulously wealthy Egypt as a base to dominate Rome. The ambitious Octavian built a power base of patronage and then launched a campaign against Antony. Another civil war subsequently broke out between Octavian on one hand and Antony and Cleopatra on the other. This final civil war culminated in the latter's defeat at Actium in 31 BC; Octavian's forces would then chase Antony and Cleoptra to Alexandria, where they would both commit suicide in 30 BC.