Numbers Chapter 18, Verse 2

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.- edit KJV text
2: And take with thee thy brethren also of the tribe of Levi, and the sceptre of thy father, and let them be ready in hand, and minister to thee: but thou and thy sons shall minister in the tabernacle of the testimony.— edit Douay text
2: And take to thyself thy brethren the tribe of Levi, the family of thy father, and let them be joined to thee, and let them minister to thee; and thou and thy sons with thee [shall minister] before the tabernacle of witness.— edit LXX text