Ezra 4:16
We notify the king that if this city is built again, and its walls founded, the portion on the other side of the river shall no longer be yours.
2 Samuel 8:3
David smote also Hadadezer, the son of Rehob, king of Zobah, as he went to extend his border to the river Euphrates.
1 Kings 4:24
For he had dominion over all the region on the other side of the river and from Tiphsah even to Gaza, over all the kings on the other side of the river, and he had peace on all sides round about him.
Ezra 4:20
and that there have been mighty kings in Jerusalem, who have ruled over all that is beyond the river, and that toll, tribute, and custom, was paid unto them.