then I will establish your royal throne, as I covenanted with your father David when I said, ‘You will never fail to have a man to rule over Israel.’
KJV
Then will I stablish the throne of thy kingdom, according as I have covenanted with David thy father, saying, There shall not fail thee a man [to be] ruler in Israel.
ASV
then I will establish the throne of thy kingdom, according as I covenanted with David thy father, saying, There shall not fail thee a man to be ruler in Israel.