[5] His father Lysimachus, one of the Diadochi of Alexander the Great, was King of Thrace, Asia Minor and Macedonia.
Ptolemy I was another of the Diadochi who later founded the Ptolemaic dynasty of Ancient Egypt and Berenice I was the great-niece of the powerful regent Antipater.
After the death of his half-brother, Agathocles’ cousin-wife Lysandra with their children fled to Seleucus I Nicator in Babylon.
[13] Ptolemy Keraunos lived in his father Lysimachus' kingdom as a political exile and prior to marrying his mother had murdered Seleucus I in order to gain the power of his former protector and then rushed to Lysimachia where he had himself acclaimed king by the Macedonian army.
Ptolemy Keraunos' brief reign ended in 279 BC as he was captured and killed during the Gallic invasion of the Balkans led by Bolgios who conducted a series of mass raids on mainland Greece.
[15] As the son and heir of the great Lysimachus, he seemed to be destined to be something more than a mere regional dynast after the assassination of half-brother Agathocles.
[16] His new position as the heir apparent as one of the great empires of the early Hellenistic period didn't last long after the deaths of his father, Lysimachus, and uncle and stepfather, Ptolemy Keraunos, which lead to the complete dissolutions of their kingdoms.
With the help of their King Monunios, Ptolemy Epigonos tried unsuccessfully to recover Macedonia and again probably in 278 BC without success.
[18] The chaos lasted until Antigonus II Gonatas defeated the Gauls in battle near Lysimachia, Thrace in 277 BC.
After his victory, Antigonus II was recognised as Macedonian King and his power extended to southern Greece.
[20] Ptolemy Epigonos disappears from the historical records from the time of his failed attempt to reclaim the Macedonian throne till the death of Arsinoe II.
The wearing of this crown reveals and gives a significant statement; as it was used as a symbol of coronation and legitimate pharaonic succession.
[2] Ptolemy had achieved substantial influence in Telmessos and in the surrounding local cities in the region.
[33] Ptolemy changed the payment to the tenth of the produce on apomeira or levies on beams, grain, millet, pulse, sesame, wheat and other crops in Telmessos.
[35] He levied orchard crops and the use of pasture land, taxies typical of Ptolemaic practices in Egypt.
[36] It is unknown how much time these agricultural levies lasted for and through Ptolemy's taxation reforms he was honored with a decree.