Genesis 34:13 - The Popular Commentary by Paul E. Kretzmann

And the sons of Jacob, who had a voice in the marriage of their sister, Genesis 24:50, answered Shechem and Hamor, his father, deceitfully. It was true enough that their acceptance of the proposal would never have agreed with the destiny of the chosen people of God; they would have sacrificed the Messianic promises for mere temporal gain, but the method which they adopted to carry out their purpose is inexcusable. And said, because he had defiled Dinah, their sister;