Joshua
Joshua 21:7ESV·traditional attribution

The Merarites according to their clans received from the tribe of Reuben, the tribe of Gad, and the tribe of Zebulun, twelve cities.

Matthew Henry Presbyterian @wholebiblehenry

Here is, I. The Levites' petition presented to this general convention of the states, now sitting at Shiloh, Jos 21:1, Jos 21:2. Observe, 1. They had not their lot assigned them till they made their claim. There is an inheritance provided for all the saints, that royal priesthood, but then they must petition for it. Ask, and it shall be given you.

Commenting on Joshua 21:1-8

John Gill Reformed Baptist @doctorgill

The children of Merari by their families,.... The descendants of Merari, the third son of Levi: had out of the tribe of Reuben, and out of the tribe of Gad; which were both on the other side Jordan: and out of the tribe of Zebulun, twelve cities; in all forty eight, as the Lord commanded, Num 35:7.

Keil & Delitzsch Lutheran @keilanddelitzsch

Jos 21:7-8 The Merarites received twelve towns from Reuben, Gad, and Zebulun. The number of towns thus assigned to the Levites will not appear too large, if we consider, (1) that judging from the number of towns in so small a land, the greater part of them cannot have been very large; (2) that the Levites were not the sole possessors of these towns, but...

Commenting on Joshua 21:7-8