Numbers 11:13

11:13 Whence should I have flesh to give unto all this people? for they weep unto me, saying, Give us flesh, that we may eat.

Numbers 18:2

18:2 And thy brethren also of the tribe of Levi, the tribe of thy father, bring thou with thee, that they may be joined unto thee, and minister unto thee: but thou and thy sons with thee [shall minister] before the tabernacle of witness.