Numbers 18:1-3

Webster_Strongs(i)
  1 H3068 And the LORD H559 [H8799] said H175 to Aaron H1121 , Thou and thy sons H1 and thy father's H1004 house H5375 [H8799] with thee shall bear H5771 the iniquity H4720 of the sanctuary H1121 : and thou and thy sons H5375 [H8799] with thee shall bear H5771 the iniquity H3550 of your priesthood.
  2 H251 And thy brethren H4294 also of the tribe H3878 of Levi H7626 , the tribe H1 of thy father H7126 [H8685] , bring H3867 [H8735] thou with thee, that they may be joined H8334 [H8762] to thee, and minister H1121 to thee: but thou and thy sons H6440 with thee shall minister before H168 the tabernacle H5715 of witness.
  3 H8104 [H8804] And they shall keep H4931 thy charge H4931 , and the charge H168 of all the tabernacle H7126 [H8799] : only they shall not come near H3627 the vessels H6944 of the sanctuary H4196 and the altar H4191 [H8799] , that neither they, nor ye also, die.