WEB
That Yahweh may establish his word which he spoke concerning me, saying, ‘If your children take heed to their way, to walk before me in truth with all their heart and with all their soul, there shall not fail you,’ he said, ‘a man on the throne of Israel.’
YLT
so that Jehovah doth establish His word which He spake unto me, saying, If thy sons observe their way to walk before Me in truth, with all their heart, and with all their soul; saying, There is not cut off a man of thine from the throne of Israel.