This is the one about whom it is written: "I will send my messenger ahead of you, who will prepare your way before you.'" (NIV)
This is the one of whom it is written, Behold, I send My messenger ahead of You, who shall make ready Your way before You. [Mal. 3:1.] (AMP)
For this is he, of whom it is written, Behold, I send my messenger before thy face, which shall prepare thy way before thee. (KJV)