Ezra 4:16-17 Holman Christian Standard Bible (HCSB)
16 We advise the king that if this city is rebuilt and its walls are finished, you will not have any possession west of the Euphrates.
17 The king sent a reply to his chief deputy Rehum, Shimshai the scribe, and the rest of their colleagues living in Samaria and elsewhere in the region west of the Euphrates River:
Ezra 4:20 Holman Christian Standard Bible (HCSB)
20 Powerful kings have also ruled over Jerusalem and exercised authority over the whole region, and tribute, duty, and land tax were paid to them.