Joshua 21:40

New King James Version

So all the cities for the children of Merari according to their families, the rest of the families of the Levites, were by their lot twelve cities.

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Heshbon with its common-land, and Jazer with its common-land: four cities in all.

All the cities of the Levites within the possession of the children of Israel were forty-eight cities with their common-lands.

The children of Merari according to their families had twelve cities from the tribe of Reuben, from the tribe of Gad, and from the tribe of Zebulun.