1 Chronicles 5:9
And eastward he inhabited unto the entering in of the wilderness from the river Euphrates: because their cattle were multiplied in the land of Gilead.
Cross-reference
1 Chronicles 5:16
Parallel
1 Chronicles 5:16 describes the Gadites' territory in Gilead, paralleling the Reubenite settlement in the same region here.
Genesis 15:18
Allusion
Genesis 15:18 promises Abraham the land to the Euphrates; here Reuben's territory reaches that same river, echoing the promised boundary.
Joshua 1:4
Allusion
In Joshua 1:4, the Euphrates is promised as a boundary; here the Reubenites occupy that territory, fulfilling the land promise.