Complex sentence: With Amphitryon she fled to Thebes, where Creon purified her husband of his blood-guilt.Although, Alcmene's eight brothers had been killed by a cattle raid, and she would not lie with Amphitryon until they had been avenged.
Split into simpler sentences: With Amphitryon she fled to Thebes, where Creon purified her husband of his blood-guilt. However, Alcmene's eight brothers had been killed in a cattle raid, and she would not lie with Amphitryon until they had been avenged.