Joshua 19:1
And the second lot came forth to Simeon, even for the tribe of the children of Simeon according to their families: and their inheritance was within the inheritance of the children of Judah.
Cross-reference
In Joshua 19:9, it explains that Simeon's inheritance was inside Judah's because Judah's portion was too large—direct reason for this verse.
In Joshua 18:6-11, the allotment process with lots at Shiloh is described, providing the method for Simeon's inheritance.
Joshua 18:5 places Judah in the south; Simeon's inheritance within Judah aligns with that geographical division.
In Genesis 49:5-7, Jacob prophesies Simeon would be scattered; here Simeon's inheritance within Judah fulfills that scattering.
Genesis 49:7 specifically says Simeon will be scattered; here his inheritance is inside Judah's territory, not independent.
Numbers 26:55 commands dividing the land by lot; this allotment for Simeon follows that same procedure.
Numbers 33:54 also instructs land division by lot; Simeon's inheritance here is a specific application of that instruction.
Ezekiel 48:24 gives Simeon its own separate territory, contrasting with this inheritance inside Judah's borders.
Judges 1:3 shows Simeon and Judah fighting together; this reflects their close territorial relationship established here.
Numbers 34:17 appoints Eleazar and Joshua to assign the land; this allotment is done under their authority.