Numbers 3:36-39

ASV_Strongs(i)
  36 H6486 And the appointed H4931 charge H1121 of the sons H4847 of Merari H7175 shall be the boards H4908 of the tabernacle, H1280 and the bars H5982 thereof, and the pillars H134 thereof, and the sockets H3627 thereof, and all the instruments H5656 thereof, and all the service thereof,
  37 H5982 and the pillars H2691 of the court H5439 round about, H134 and their sockets, H3489 and their pins, H4340 and their cords.
  38 H2583 And those that encamp H6440 before H4908 the tabernacle H6924 eastward, H6440 before H168 the tent H4150 of meeting H4217 toward the sunrising, H4872 shall be Moses, H175 and Aaron H1121 and his sons, H8104 keeping H4931 the charge H4720 of the sanctuary H4931 for the charge H1121 of the children H3478 of Israel; H2114 and the stranger H7131 that cometh nigh H4191 shall be put to death.
  39All that were numbered of the Levites, whom Moses and Aaron numbered at the commandment of Jehovah, by their families, all the males from a month old and upward, were twenty and two thousand.