King James Version
Say, I pray thee, thou art my sister: that it may be well with me for thy sake; and my soul shall live because of thee.English Standard Version
Say you are my sister, that it may go well with me because of you, and that my life may be spared for your sake."New International Version
Say you are my sister, so that I will be treated well for your sake and my life will be spared because of you."