NET
5 Then I will allow your dynasty to rule over Israel permanently, just as I promised your father David, ‘You will not fail to have a successor on the throne of Israel.’
Darby
5 then will I establish the throne of thy kingdom over Israel for ever, as I promised to David thy father, saying, There shall not fail thee a man upon the throne of Israel.
KJV
5 Then I will establish the throne of thy kingdom upon Israel for ever, as I promised to David thy father, saying, There shall not fail thee a man upon the throne of Israel.