Jamieson-Fausset-Brown on Ezekiel 48:4
Manasseh--The intercourse and unity between the two and a half tribes east of the Jordan, and the nine and a half west of it, had been much kept up by the splitting of Manasseh, causing the visits of kinsmen one to the other from both sides of the Jordan. There shall be no need for this in the new order of things.
Adam Clarke on Ezekiel 48:1
Now these are the names of the tribes - See the division mentioned Num 34:7-12, which casts much light upon this.
John Gill on Ezekiel 48:4
And by the border of Naphtali, from the east side unto the west side, a portion for Manasseh. Just in like manner, next to Naphtali lay the tribe of Manasseh, and the portion of land appointed for that tribe; even such Christians who "forget" the things that are behind, and reach to those that are before; forget their former companions, their own people, and father's house, their carnal lusts and pleasures, and their own works of righteousness, and follow after Christ and his righteousness.
Tyndale Open Study Notes on Ezekiel 48:1-8
The land assigned to the tribes was arranged in strips running east to west through the land, rather than piecemeal as it was before the Exile. This was more than simply a way of ensuring that each tribe received equal access to the various resources of the land. It aligned the land with the sacred east–west axis that was so prominent in the Temple. As in the Temple, the size and shape of the central areas were clearly defined, while those on the margins were less closely determined (see study note on 40:17-19). The four tribes most distant from the central sacred section (Dan, Asher, Naphtali, and Gad), and therefore in the least privileged position, were descended from the four sons of Jac…
Read the whole note in the consoleRashi on Ezekiel 48:2
And alongside the border of Dan and alongside the border of Dan to its south.