1 Chronicles 6:48

Their brethren also the Levites were appointed unto all manner of service of the tabernacle of the house of God.

Numbers 3:1-4

These also are the generations of Aaron and Moses in the day that the LORD spake with Moses in mount Sinai.

Numbers 8:5-26

And the LORD spake unto Moses, saying,

Numbers 16:9-10

Seemeth it but a small thing unto you, that the God of Israel hath separated you from the congregation of Israel, to bring you near to himself to do the service of the tabernacle of the LORD, and to stand before the congregation to minister unto them?

Numbers 18:1-32

And the LORD said unto Aaron, Thou and thy sons and thy father's house with thee shall bear the iniquity of the sanctuary: and thou and thy sons with thee shall bear the iniquity of your priesthood.

1 Chronicles 23:2

And he gathered together all the princes of Israel, with the priests and the Levites.

1 Chronicles 25:1-26

Moreover David and the captains of the host separated to the service of the sons of Asaph, and of Heman, and of Jeduthun, who should prophesy with harps, with psalteries, and with cymbals: and the number of the workmen according to their service was:

Treasury of Scripture Knowledge

Summary

Their brethren also the Levites were appointed unto all manner of service of the tabernacle of the house of God.

Bible References

Brethren

1 Chronicles 23:2
And he gathered together all the princes of Israel, with the priests and the Levites.
Numbers 8:5
And the LORD spake unto Moses, saying,
Numbers 16:9
Seemeth it but a small thing unto you, that the God of Israel hath separated you from the congregation of Israel, to bring you near to himself to do the service of the tabernacle of the LORD, and to stand before the congregation to minister unto them?

King James Version Public Domain