Polyneices is a character from Greek mythology, specifically in the stories surrounding the Theban Cycle. He is the son of Oedipus and Jocasta, and is known for his conflict with his brother Eteocles over the throne of Thebes. In the myth, Polyneices raises an army to reclaim the throne, leading to a battle known as the Seven Against Thebes. Both brothers ultimately die in this conflict, and their story highlights themes of family loyalty, power struggles, and the consequences of pride.