Numbers 18:2

WEB_Strongs(i)
  2 H251 Your brothers H4294 also, the tribe H3878 of Levi, H4294 the tribe H1 of your father, H7126 bring H3867 near with you, that they may be joined H8334 to you, and minister H1121 to you: but you and your sons H6440 with you shall be before H168 the tent H5715 of the testimony.