and the border went up by the valley of the son of Hinnom to the side of the Jebusite southward (the same is Jerusalem); and the border went up to the top of the mountain that lies before the valley of Hinnom westward, which is at the uttermost part of the valley of Rephaim northward;
Judah was the southernmost tribe west of the Jordan. Caleb’s family and the Simeonites lived within Judah’s territory. Simeon was the smallest tribe except Levi, and lost its territorial identity within Judah shortly after the conquest (cf. Genesis 49:5-7). For this reason some maps of the tribal allotments do not include Simeon.