Who is Creon in relation to Oedipus?

Creon is Oedipus's brother-in-law, as he is the brother of Jocasta, Oedipus's wife. This familial relationship is significant within the narrative of "Oedipus Rex," as it adds layers of complexity to the interactions between the characters. Creon serves as a voice of reason and loyalty throughout the play, often contrasting with Oedipus's impulsive nature. The intricacies of their relationship also underscore themes of power, loyalty, and the tragic consequences that arise from familial ties. This connection between Oedipus and Creon highlights the tension that exists when personal relationships entangle with the political and moral crises that define the story.