story Oedipus Rex- isn't it a play?
that he didn't see- as
that have - had
this had led - this led to his being crowned
Therefore, this had led him to his kingship. - one sentence paragraph- should be incorporated into the previous one
who were his parents- who his parents were
her son was killed- had been
sort of looked- I'd delete 'sort of'
wife who was- wife was
prophet had- prophecy