Oedipus the total absence of ancient descriptions or résumés – though it has been suggested that a part of Hyginus' narration of the Oedipus myth might in fact derive from Euripides' play. Some echoes of the Euripidean Oedipus have been traced also in a scene of Seneca's Oedipus (see below), in which Oedipus himself describes to Jocasta his adventure with the Sphinx. At least three other 5th century BC authors who were younger than Sophocles wrote plays about Oedipus. These include Achaeus of Eretria, Nichomachus and the elder Xenocles. The "Bibliotheca", a Roman-era mythological handbook, includes a riddle for the Sphinx,
Oedipus Rex drunken guest on the other hand: you are not your father's son defines Polybus as only a foster father to Oedipus. The two wordings support each other and point to the "two set of parents" alternative. Thus the question of two set of parents, biological and foster, is raised. Oedipus's reaction to the Oracle is irrational: he states he did not get any answer and he flees in a direction away from Corinth, showing that he firmly believed at the time that Polybus and Merope are his real parents. "The scene with the drunken guest constitutes the end of Oedipus'