Numbers 35:11-13

Young's Literal Translation

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,

¹² and the cities have been to you for a refuge from the redeemer, and the man-slayer doth not die till his standing before the company for judgment.

¹³ `As to the cities which ye give -- six [are] cities of refuge to you;