 The gains from the war were almost immediately lost and his brother Ptolemy VIII returned to power.Ptolemy was the eldest son of Ptolemy V Epiphanes, who reigned from 204-180 BC.Ptolemy V's reign had been dominated by the Fifth Syrian War (204-198 BC), in which the Ptolemaic realm fought against the Seleucid king Antiochus III, who ruled the Near East and Asia Minor.