Genesis 34:11-15 New King James Version (NKJV)

11. Then Shechem said to her father and her brothers, “Let me find favor in your eyes, and whatever you say to me I will give.

12. Ask me ever so much dowry and gift, and I will give according to what you say to me; but give me the young woman as a wife.”

13. But the sons of Jacob answered Shechem and Hamor his father, and spoke deceitfully, because he had defiled Dinah their sister.

14. And they said to them, “We cannot do this thing, to give our sister to one who is uncircumcised, for that would be a reproach to us.

15. But on this condition we will consent to you: If you will become as we are, if every male of you is circumcised,

Genesis 34