New Living Translation
But if he is angry and wants you killed, may the LORD strike me and even kill me if I don’t warn you so you can escape and live. May the LORD be with you as he used to be with my father.

American Standard Version
Jehovah do so to Jonathan, and more also, should it please my father to do thee evil, if I disclose it not unto thee, and send thee away, that thou mayest go in peace: and Jehovah be with thee, as he hath been with my father.

Berean Study Bible
But if my father intends to bring evil on you, then may the LORD punish me, and ever so severely, if I do not tell you and send you on your way in safety. May the LORD be with you, just as He has been with my father.

Douay-Rheims Bible
May the Lord do so and so to Jonathan and add still more. But if my father shall continue in malice against thee, I will discover it to thy ear, and will send thee away, that thou mayest go in peace, and the Lord be with thee, as he hath been with my father.

English Revised Version
The LORD do so to Jonathan, and more also, should it please my father to do thee evil, if I disclose it not unto thee, and send thee away, that thou mayest go in peace: and the LORD be with thee, as he hath been with my father.

King James Bible
The LORD do so and much more to Jonathan: but if it please my father to do thee evil, then I will shew it thee, and send thee away, that thou mayest go in peace: and the LORD be with thee, as he hath been with my father.

World English Bible
Yahweh do so to Jonathan, and more also, should it please my father to do you evil, if I don't disclose it to you, and send you away, that you may go in peace: and Yahweh be with you, as he has been with my father.

Young's Literal Translation
thus doth Jehovah do to Jonathan, and thus doth He add; when the evil concerning thee is good to my father, then I have uncovered thine ear, and sent thee away, and thou hast gone in peace, and Jehovah is with thee, as he was with my father;

1 Samuel 20:13 Additional Translations ...