Thy parricide late on thy only son,
After his mother, to make empty way
For thy last wicked nuptials, worse than they
That blaze that act of thy incestuous life,
Which gained thee at once a daughter and a wife.
The sense is here extremely perplexed; and I doubt the word they is false grammar.
—And be free
Not heaven itself from thy impiety.
A synchysis, or ill-placing of words, of which Tully so much complains in oratory.
The waves and dens of beasts could not receive