Ezra 4:22

4:22 Exercise appropriate caution so that there is no negligence in this matter. Why should danger increase to the point that kings sustain damage?”

Ezra 4:20

4:20 Powerful kings have been over Jerusalem who ruled throughout the entire Trans-Euphrates and who were the beneficiaries of tribute, custom, and toll.

Ezra 6:6

6:6 “Now Tattenai governor of Trans-Euphrates, Shethar Bozenai, and their colleagues, the officials of Trans-Euphrates – all of you stay far away from there!