Cross reference
Ezra 4:16
16 We certify the king that, if this city be builded again, and the walls thereof set up, by this means thou shalt have no portion on this side the river.
2 Samuel 8:3
3 David smote also Hadadezer, the son of Rehob, king of Zobah, as he went to recover his border at the river Euphrates.
1 Kings 4:24
24 For he had dominion over all the region on this side the river, from Tiphsah even to Azzah, over all the kings on this side the river: and he had peace on all sides round about him.
Ezra 4:20
20 There have been mighty kings also over Jerusalem, which have ruled over all countries beyond the river; and toll, tribute, and custom, was paid unto them.