By enrolling it in the Achaean League he secured it against Macedonia, and with funds received from Ptolemy Philadelphus he pacified the returned exiles.
Theocritus celebrates the incestuous marriage of Ptolemy Philadelphus with his sister Arsinoe.
According to Vitruvius (vii., preface) he lived during the age of Ptolemy Philadelphus (285-247 B.C.), by whom he was crucified as the punishment of his criticisms on the king.
Theocritus (Idyll 17) hails Ptolemy Philadelphus as a demigod, and speaks of his father as seated among the gods along with Alexander.
Philopator Philadelphus Neos Dionysus, nicknamed Auletes, the flute-player (80-51), setting his brother as king in Cyprus.