Exodus 4:22-23

New American Standard Bible 1995

²² Then you shall say to Pharaoh, ‘Thus says the Lord, “^(A)Israel is My son, My firstborn. ²³ So I said to you, ‘^(B)Let My son go that he may serve Me’; but you have refused to let him go. Behold, ^(C)I will kill your son, your firstborn.”’”