New Revised Standard Version
For if you will indeed obey this word, then through the gates of this house shall enter kings who sit on the throne of David, riding in chariots and on horses, they, and their servants, and their people.

Contemporary English Version
If you obey me, the kings from David's family will continue to rule Judah from this palace. They and their officials will ride in and out on their horses or in their chariots.

New American Bible
If you carry out these commands, kings who succeed to the throne of David will continue to enter the gates of this house, riding in chariots or mounted on horses, with their ministers, and their people.

Douay-Rheims Bible
For if you will do this thing indeed, then shall there enter in by the gates of this house, kings of the race of David sitting upon his throne, and riding in chariots and on horses, they and their servants, and their people.

For if you will do this thing indeed, then shall there enter in by the gates of this house, kings of the race of David sitting upon his throne, and riding in chariots and on horses, they and their servants, and their people.

then.

Jeremiah 17:25 Then shall there enter in by the gates of this city kings and princes, sitting upon the throne of David, and riding in chariots and on horses, they and their princes, the men of Juda, and the inhabitants of Jerusalem: and this city shall be inhabited for ever.

upon the throne of David.