NET

7 His dominion will be vast, and he will bring immeasurable prosperity. He will rule on David’s throne and over David’s kingdom, establishing it and strengthening it by promoting justice and fairness, from this time forward and forevermore. The zeal of the Lord of Heaven’s Armies will accomplish this.

Darby

7 Of the increase of his government and of peace there shall be no end, upon the throne of David and over his kingdom, to establish it, and to uphold it with judgment and with righteousness, from henceforth even for ever. The zeal of Jehovah of hosts will perform this.

KJV

7 Of the increase of [his] government and peace [there shall be] no end, upon the throne of David, and upon his kingdom, to order it, and to establish it with judgment and with justice from henceforth even for ever. The zeal of the LORD of hosts will perform this.