Read Joshua 13:23 Using Other Translations
And the border of the children of Reuben was Jordan, and the border thereof. This was the inheritance of the children of Reuben after their families, the cities and the villages thereof.
And the border of the people of Reuben was the Jordan as a boundary. This was the inheritance of the people of Reuben, according to their clans with their cities and villages.
The Jordan River marked the western boundary for the tribe of Reuben. The towns and their surrounding villages in this area were given as a homeland to the clans of the tribe of Reuben.