Verse 23: 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 was made the border] The limit, understanding, of the allotted region, etc. (Vatablus).
[The river of Jordan, הַיַּרְדֵּ֖ן וּגְב֑וּל] Jordan and the border (Pagnine, Montanus, Malvenda, Jonathan). Jordan with the border, supply, its (Masius, Jonathan, Vatablus, Junius and Tremellius), that is, and the region adjacent to it (Vatablus). The sense: Jordan, with its territory, that is, adjacent cities, formed the boundary of the inheritance of Reuben to the West (Masius).
And the border thereof, that is, those cities or places which bordered upon Jordan. Compare Numbers 34:6.
[And villages, וְחַצְרֵיהֶן] And the farms (towns [Syriac], country districts [Septuagint], hamlets [Masius]) of them (Montanus, Jonathan, similarly Junius and Tremellius). It signifies places defended with no walls, in which, nevertheless, societies of man dwell (Masius out of Rabbi Salomon).
 Hebrew: וַיְהִ֗י גְּבוּל֙ בְּנֵ֣י רְאוּבֵ֔ן הַיַּרְדֵּ֖ן וּגְב֑וּל זֹ֣את נַחֲלַ֤ת בְּנֵֽי־רְאוּבֵן֙ לְמִשְׁפְּחֹתָ֔ם הֶעָרִ֖ים וְחַצְרֵיהֶֽן׃
 חָצֵר may be related to the verbal root חצר, to be present, or to dwell.