In Greek mythology, Paeon was the son of Antilochus

Antilochus

In Greek mythology, Antilochus was the son of Nestor, king of Pylos. One of the suitors of Helen of Troy, he accompanied his father and his brother Thrasymedes to the Trojan War. He was distinguished for his beauty, swiftness of foot, and skill as a charioteer...

, and a lord of Messenia

Messenia

Messenia is a regional unit in the southwestern part of the Peloponnese region, one of 13 regions into which Greece has been divided by the Kallikratis plan, implemented 1 January 2011...

. His father was one of the suitors of Helen, who together with his father Nestor

Nestor (mythology)

In Greek mythology, Nestor of Gerenia was the son of Neleus and Chloris and the King of Pylos. He became king after Heracles killed Neleus and all of Nestor's siblings...

, the king of Pylos

Pylos

Pylos , historically known under its Italian name Navarino, is a town and a former municipality in Messenia, Peloponnese, Greece. Since the 2011 local government reform it is part of the municipality Pylos-Nestoras, of which it is the seat and a municipal unit. It was the capital of the former...

, and brother Thrasymedes

Thrasymedes (mythology)

You may be looking for Thrasymedes of Paros, the sculptor.In Greek mythology Thrasymedes was a participant in the Trojan War, where he killed two people...

, fought in the Trojan War

Trojan War

In Greek mythology, the Trojan War was waged against the city of Troy by the Achaeans after Paris of Troy took Helen from her husband Menelaus, the king of Sparta. The war is among the most important events in Greek mythology and was narrated in many works of Greek literature, including the Iliad...

. Paeon's sons were among the descendants of Neleus

Neleus

Neleus was the son of Poseidon and Tyro and brother of Pelias. Tyro was married to Cretheus but loved Enipeus, a river god. She pursued Enipeus, who refused her advances. One day, Poseidon, filled with lust for Tyro, disguised himself as Enipeus and from their union was born Pelias and Neleus,...

 (the Neleidae) expelled from Messenia, by the descendants of Heracles

Heracles

Heracles ,born Alcaeus or Alcides , was a divine hero in Greek mythology, the son of Zeus and Alcmene, foster son of Amphitryon and great-grandson of Perseus...

, as part of the legendary "Return of the Heracleidae", later associated with the supposed "Dorian invasion

Dorian invasion

The Dorian invasion is a concept devised by historians of Ancient Greece to explain the replacement of pre-classical dialects and traditions in southern Greece by the ones that prevailed in Classical Greece...

". The sons of Paeon, along with other of the expelled Neleidae, Alcmaeon

Alcmaeonidae

The Alcmaeonidae or Alcmaeonids were a powerful noble family of ancient Athens, a branch of the Neleides who claimed descent from the mythological Alcmaeon, the great-grandson of Nestor....

 and Melanthus

Melanthus

In Greek mythology, Melanthus was a king of Messenia. He was among the descendants of Neleus expelled from Messenia, by the descendants of Heracles, as part of the legendary "Return of the Heracleidae", later associated with the supposed "Dorian invasion". He fled to Athens, along with other...

 fled to Athens

Athens

Athens , is the capital and largest city of Greece. Athens dominates the Attica region and is one of the world's oldest cities, as its recorded history spans around 3,400 years. Classical Athens was a powerful city-state...

. It was from this Paeon that the Attic

Attica

Attica is a historical region of Greece, containing Athens, the current capital of Greece. The historical region is centered on the Attic peninsula, which projects into the Aegean Sea...

 clan and deme

Deme

In Ancient Greece, a deme or demos was a subdivision of Attica, the region of Greece surrounding Athens. Demes as simple subdivisions of land in the countryside seem to have existed in the 6th century BC and earlier, but did not acquire particular significance until the reforms of Cleisthenes in...

of Paeonidae or Paionidai is supposed to have derived its name.