Megara was in ancient Greek mythology the princess of city of Thebes. She was the oldest of Creos, the king of Thebes. Creon offered Megara to Hercules in exchange for defending the city of Thebes.
In most version it is Amphion, the magic lyre playing king.
In Greek mythology Cadmus was the founder and fist king of Thebes. There is no one in the Bible, as far as I know named Cadmus.
Often said to be Cadmus in mythology.
Cadmus
In Greek mythology, the Queen of Thebes was Jocasta. She was the wife of King Laius and later married her son Oedipus unknowingly. Jocasta tragically ended her own life upon discovering the truth.
Thebes was a city-State, not a person, as well as Mycenae, Pylos, Athens, Sparta (etc.)
Niobe of Tantalus
In Greek mythology, Megara was the oldest daughter of Creon, king of Thebes. In reward for Heracles' defending Thebes from Orchomenus in single-handed battle, Creon offered his daughter Megara to Heracles and he brought her home to the house of Amphitryon. She bore him a son and a daughter, whom Heracles killed when Hera struck him with temporary madness;
Oedipus is king of Thebes
Yes but it was unintentional. You may read the Greek mythology and read the story of Oedipus the King of Thebes. He was a good man but he unintentionally killed his father and later married his own mother. He had a bad ending though. :-)
The section 'The House of Thebes' is from page 372 to 391, making it 20 pages long.