1 Chronicles 15:12

And he said to them, "You [are] the heads of the {families} for the Levites. Sanctify yourselves and your brothers and bring up the ark of Yahweh, the God of Israel, to [the place] I have established for it.

2 Chronicles 35:6

And slaughter the Passover [lamb] and consecrate yourself and prepare for your brothers to do according to the word of Yahweh by the hand of Moses.

Exodus 19:14-15

And Moses went down from the mountain to the people, and he consecrated the people, and they washed their clothes.

1 Chronicles 9:34

These [were] the heads of the {families} of the Levites according to their genealogies, leaders. These lived in Jerusalem.

1 Chronicles 15:1

And David built houses for himself in the city of David, and he established a place for the ark of God. And he pitched a tent for it.

1 Chronicles 15:3

And David gathered all Israel to Jerusalem to bring up the ark of Yahweh to its place that he had established for it.

1 Chronicles 15:14

Then the priests and the Levites sanctified themselves to bring up the ark of Yahweh, the God of Israel.

1 Chronicles 24:31

And lots were also cast [for] these, just as their brothers, the sons of Aaron, before David the king, Zadok, Ahimelech, and the heads of the {families} for the priests and for the Levites the fathers, {on the principle of the chief and younger brother alike}.

2 Chronicles 5:11

And when the priests came out of the sanctuary (for all the priests who were present sanctified themselves without keeping their divisions)

2 Chronicles 29:4-5

And he brought in the priests and the Levites, and he gathered them into the eastern square.

2 Chronicles 30:15

And they slaughtered the Passover lamb on the fourteenth day of the second month. And the priests and the Levites were disgraced, so they consecrated themselves and brought burnt offerings into the house of Yahweh.

Ezekiel 48:11

To the priests, the [ones] being consecrated from the descendants of Zadok, who took care of my service [and] who {did not go astray} {when the Israelites went astray}, {just as} the Levites went astray.

John 17:17

Sanctify them in the truth--your word is truth.

Romans 12:1-2

Therefore I exhort you, brothers, through the mercies of God, to present your bodies [as] a living sacrifice, holy [and] pleasing to God, [which is] your reasonable service.

Revelation 5:9-10

And they were singing a new song, saying, "You are worthy to take the scroll and to open its seals, because you were slaughtered, and bought [people] for God by your blood from every tribe and language and people and nation,

Treasury of Scripture Knowledge

Summary

And said unto them, Ye are the chief of the fathers of the Levites: sanctify yourselves, both ye and your brethren, that ye may bring up the ark of the LORD God of Israel unto the place that I have prepared for it.

Bible References

Ye are the chief

1 Chronicles 9:34
These [were] the heads of the {families} of the Levites according to their genealogies, leaders. These lived in Jerusalem.
1 Chronicles 24:31
And lots were also cast [for] these, just as their brothers, the sons of Aaron, before David the king, Zadok, Ahimelech, and the heads of the {families} for the priests and for the Levites the fathers, {on the principle of the chief and younger brother alike}.

Sanctify

1 Chronicles 15:14
Then the priests and the Levites sanctified themselves to bring up the ark of Yahweh, the God of Israel.
Exodus 19:14
And Moses went down from the mountain to the people, and he consecrated the people, and they washed their clothes.
2 Chronicles 5:11
And when the priests came out of the sanctuary (for all the priests who were present sanctified themselves without keeping their divisions)
2 Chronicles 29:4
And he brought in the priests and the Levites, and he gathered them into the eastern square.
2 Chronicles 30:15
And they slaughtered the Passover lamb on the fourteenth day of the second month. And the priests and the Levites were disgraced, so they consecrated themselves and brought burnt offerings into the house of Yahweh.
2 Chronicles 35:6
And slaughter the Passover [lamb] and consecrate yourself and prepare for your brothers to do according to the word of Yahweh by the hand of Moses.
Ezekiel 48:11
To the priests, the [ones] being consecrated from the descendants of Zadok, who took care of my service [and] who {did not go astray} {when the Israelites went astray}, {just as} the Levites went astray.
John 17:17
Sanctify them in the truth--your word is truth.
Romans 12:1
Therefore I exhort you, brothers, through the mercies of God, to present your bodies [as] a living sacrifice, holy [and] pleasing to God, [which is] your reasonable service.
Revelation 5:9
And they were singing a new song, saying, "You are worthy to take the scroll and to open its seals, because you were slaughtered, and bought [people] for God by your blood from every tribe and language and people and nation,