In Greek mythology

Greek mythology

Greek mythology is the body of myths and legends belonging to the ancient Greeks, concerning their gods and heroes, the nature of the world, and the origins and significance of their own cult and ritual practices. They were a part of religion in ancient Greece...

, the Pallantidai (Παλλαντίδαι) were the fifty children of Pallas

Pallas (son of Pandion)

In Greek mythology Pallas was one of the four sons of Pandion II and Pylia. Upon the death of Pandion, Pallas and his brothers took control of Athens from Metion, who had seized the throne from Pandion. They divided the government in four but Aegeas became king...

, nobles of Attica

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...

. They fought against their cousin, Theseus

Theseus

For other uses, see Theseus Theseus was the mythical founder-king of Athens, son of Aethra, and fathered by Aegeus and Poseidon, both of whom Aethra had slept with in one night. Theseus was a founder-hero, like Perseus, Cadmus, or Heracles, all of whom battled and overcame foes that were...

 because they would not accept him as king. Leos, a herald of Theseus, warned him of their schemes and an ambush they had prepared for him. Theseus pre-emptively ambushed the Pallantides and killed all but the girl, Aricia

Aricia (mythology)

Aricia was, according to Greek mythology, a niece of Aegeus. She was the last of the Pallantides and may have married Virbius . Aricia was also a location holy to Diana near Rome where Egeria, the spirit of a nearby stream who shared with Diana the guardianship of childbirth...

, whom, some traditions say, Theseus kept as slave.

Some scholars believe that the east frieze of the Hephaisteion

Temple of Hephaestus

The Temple of Hephaestus, also known as the Hephaisteion or earlier as the Theseion, is the best-preserved ancient Greek temple; it remains standing largely as built. It is a Doric peripteral temple, and is located at the north-west side of the Agora of Athens, on top of the Agoraios Kolonos hill....

depicts this battle.