The tribes that were the descendants of Merari got 12 cities. They got the cities from the tribes of Reuben, Gad, and Zebulun. They got them by throwing lots.
The people from the Gershon family were given 13 towns. These towns were in the areas that belonged to Issachar, Asher, Naphtali, and the half of Manasseh that was in Bashan.
The tribes that were the descendants of Gershon got 13 cities. They got the cities from the tribes of Issachar, Asher, Naphtali, and the part of Manasseh living in the area of Bashan.