Minos confined the Minotaur in the Labyrinth. To punish Aegeus, for the death of his son, Minos required seven Athenian youth and seven maidens as tribute and sacrifice to the monster, every seven years.
Theseus aided by Ariadne, daughter of Minos, the Athenian hero was able to leave the Labyrinth after killing the Minotaur.