Numbers 35:6-8

New International Version - UK

Cities of refuge

⁶ ‘Six of the towns you give the Levites will be cities of refuge, to which a person who has killed someone may flee. In addition, give them forty-two other towns. ⁷ In all you must give the Levites forty-eight towns, together with their pasture-lands. ⁸ The towns you give the Levites from the land the Israelites possess are to be given in proportion to the inheritance of each tribe: take many towns from a tribe that has many, but few from one that has few.’