Hebrews 7:13

For the One of whom these things are said belonged [not to the priestly line of Levi but] to another tribe, from which no one has officiated or served at the altar.

Numbers 16:40

as a reminder to the sons of Israel so that no layman—that is, one who is not of the descendants of Aaron should approach to offer incense before the Lord; so that he will not become like Korah and as his company—just as the Lord had said to him through Moses.

Numbers 17:5

It shall be that the rod of the man whom I choose will bud, and I will no longer hear the constant grumblings of the Israelites, who are grumbling against you.”

2 Chronicles 26:16-21

But when Uzziah became strong, he became so proud [of himself and his accomplishments] that he acted corruptly, and he was unfaithful and sinned against the Lord his God, for he went into the temple of the Lord to burn incense on the altar of incense.

Hebrews 7:11

Now if perfection [a perfect fellowship between God and the worshiper] had been attained through the Levitical priesthood (for under it the people were given the Law) what further need was there for another and different kind of priest to arise, one in the manner of Melchizedek, rather than one appointed to the order of Aaron?

Hebrews 7:14

For it is evident that our Lord descended from [the tribe of] Judah, and Moses mentioned nothing about priests in connection with that tribe.

Treasury of Scripture Knowledge

Summary

For he of whom these things are spoken pertaineth to another tribe, of which no man gave attendance at the altar.

Bible References

Of which

Numbers 16:40
as a reminder to the sons of Israel so that no layman—that is, one who is not of the descendants of Aaron should approach to offer incense before the Lord; so that he will not become like Korah and as his company—just as the Lord had said to him through Moses.
Numbers 17:5
It shall be that the rod of the man whom I choose will bud, and I will no longer hear the constant grumblings of the Israelites, who are grumbling against you.”
2 Chronicles 26:16
But when Uzziah became strong, he became so proud [of himself and his accomplishments] that he acted corruptly, and he was unfaithful and sinned against the Lord his God, for he went into the temple of the Lord to burn incense on the altar of incense.