Joshua 13:23

23 And the borders of Ruben were— Jordan boundary; this the inheritance of the children of Ruben according to their families, their cities and their villages.

Joshua 13:23 Meaning and Commentary

Joshua 13:23

And the border of the children of Reuben was Jordan, and the
border [thereof]
As their border eastward was Aroer on the river Arnon, so their border westward was the river Jordan:

this [was] the inheritance of the children of Reuben, after their
families, the cities and the villages thereof;
which Moses gave them on the other side Jordan; and next follow an account of the inheritance of the tribe of Gad in those parts.

Joshua 13:23 In-Context

21 and all the cities of Misor, and all the kingdom of Seon king of the Amorites, whom Moses smote, even him and the princes of Madian, and Evi, and Roboc, and Sur, and Ur, and Robe prince of the spoils of Sion, and the inhabitants of Sion.
22 And Balaam the son of Baeor the prophet they slew in the battle.
23 And the borders of Ruben were— Jordan boundary; this the inheritance of the children of Ruben according to their families, their cities and their villages.
24 And Moses gave inheritance to the sons of Gad according to their families.
25 And their borders were Jazer, all the cities of Galaad, and half the land of the children of Ammon to Araba, which is before Arad.

The Brenton translation of the Septuagint is in the public domain.