Numbers 35:8

5 And ye have measured from the outside of the city, the east quarter, two thousand by the cubit, and the south quarter, two thousand by the cubit, and the west quarter, two thousand by the cubit, and the north quarter, two thousand by the cubit; and the city [is] in the midst; this is to them the suburbs of the cities.

6 `And the cities which ye give to the Levites [are] the six cities of refuge, which ye give for the fleeing thither of the man-slayer, and besides them ye give forty and two cities;

7 all the cities which ye give to the Levites [are] forty and eight cities, them and their suburbs.

8 And the cities which ye give [are] of the possession of the sons of Israel, from the many ye multiply, and from the few ye diminish; each, according to his inheritance which they inherit, doth give of his cities to the Levites.`

9 And Jehovah speaketh unto Moses, saying,

10 `Speak unto the sons of Israel, and thou hast said unto them, When ye are passing over the Jordan to the land of Canaan,

11 and have prepared to yourselves cities -- cities of refuge they are to you -- then fled thither hath a man-slayer, smiting a person unawares,