American Standard Version
And the king said to him, How many times shall I adjure thee that thou speak unto me nothing but the truth in the name of Jehovah?

Berean Study Bible
But the king said to him, “How many times must I make you swear not to tell me anything but the truth in the name of the LORD?”

Douay-Rheims Bible
And the king said: I adjure thee again and again to say nothing but the truth to me, in the name of the Lord.

English Revised Version
And the king said to him, How many times shall I adjure thee that thou speak unto me nothing but the truth in the name of the LORD?

King James Bible
And the king said to him, How many times shall I adjure thee that thou say nothing but the truth to me in the name of the LORD?

World English Bible
The king said to him, "How many times shall I adjure you that you speak to me nothing but the truth in the name of Yahweh?"

Young's Literal Translation
And the king saith unto him, 'How many times am I adjuring thee, that thou speak unto me only truth in the name of Jehovah?'

2 Chronicles 18:15 Additional Translations ...