Unto the sons of Merari were given by lot, throughout their families, out of the tribe of Reuben, and out of the tribe of Gad, and out of the tribe of Zebulun, twelve cities.
No JFB commentary on these verses.
1 Chronicles 6:63-66
63 Unto the sons of Merari were given by lot, throughout their families, out of the tribe of Reuben, and out of the tribe of Gad, and out of the tribe of Zebulun, twelve cities.
64 And the children of Israel gave to the Levites these cities with their suburbs.
65 And they gave by lot out of the tribe of the children of Judah, and out of the tribe of the children of Simeon, and out of the tribe of the children of Benjamin, these cities, which are called by their names.
66 And the residue of the families of the sons of Kohath had cities of their coasts out of the tribe of Ephraim.