New International Version
"Now, LORD, the God of Israel, keep for your servant David my father the promises you made to him when you said, 'You shall never fail to have a successor to sit before me on the throne of Israel, if only your descendants are careful in all they do to walk before me according to my law, as you have done.'

American Standard Version
Now therefore, O Jehovah, the God of Israel, keep with thy servant David my father that which thou hast promised him, saying, There shall not fail thee a man in my sight to sit on the throne of Israel, if only thy children take heed to their way, to walk in my law as thou hast walked before me.

Berean Study Bible
Therefore now, O LORD, God of Israel, keep for Your servant, my father David, what You promised when You said: ‘You will never fail to have a man to sit before Me on the throne of Israel, if only your descendants guard their way to walk in My law as you have walked before Me.’

Douay-Rheims Bible
Now then, O Lord God of Israel, fulfil to thy servant David my father, whatsoever thou hast promised him, saying: There shall not fail thee a man in my sight, to sit upon the throne of Israel: yet so that thy children take heed to their ways, and walk in my law, as thou hast walked before me.

English Revised Version
Now therefore, O LORD, the God of Israel, keep with thy servant David my father that which thou hast promised him, saying, There shall not fail thee a man in my sight to sit on the throne of Israel; if only thy children take heed to their way, to walk in my law as thou hast walked before me.

King James Bible
Now therefore, O LORD God of Israel, keep with thy servant David my father that which thou hast promised him, saying, There shall not fail thee a man in my sight to sit upon the throne of Israel; yet so that thy children take heed to their way to walk in my law, as thou hast walked before me.

World English Bible
"Now therefore, Yahweh, the God of Israel, keep with your servant David my father that which you have promised him, saying, 'There shall not fail you a man in my sight to sit on the throne of Israel, if only your children take heed to their way, to walk in my law as you have walked before me.'

Young's Literal Translation
'And now, O Jehovah, God of Israel, keep for Thy servant David my father that which Thou didst speak to him, saying, There is not cut off to thee a man from before Me, sitting on the throne of Israel, only, if thy sons watch their way to walk in My law, as thou hast walked before Me.

2 Chronicles 6:16 Additional Translations ...