Joshua 21:40 in the World English Bible
All these were the cities of the children of Merari according to their families, even the rest of the families of the Levites. Their lot was twelve cities.
Context
39 Heshbon with her suburbs, Jazer with her suburbs; four cities in all.
40 So all the cities for the children of Merari by their families, which were remaining of the families of the Levites, were by their lot twelve cities.
41 All the cities of the Levites within the possession of the children of Israel were forty and eight cities with their suburbs.