Ezra 6:20

All of the priests and Levites were ceremonially clean, because they had purified themselves. They killed the Passover lamb for themselves, their priestly brothers, and all the exiles.

2 Chronicles 35:11

Then they slaughtered the Passover lambs, and while the Levites were skinning the animals, the priests sprinkled the blood they had been given.

2 Chronicles 29:34

However, since there were not enough priests, they weren’t able to skin all the burnt offerings, so their Levite brothers helped them until the work was finished and until the priests consecrated themselves. For the Levites were more conscientious to consecrate themselves than the priests were.

Exodus 12:21

Then Moses summoned all the elders of Israel and said to them, “Go, select an animal from the flock according to your families, and slaughter the Passover animal.

2 Chronicles 30:15-17

They slaughtered the Passover lamb on the fourteenth day of the second month. The priests and Levites were ashamed, and they consecrated themselves and brought burnt offerings to the Lord’s temple.

Hebrews 7:27

He doesn’t need to offer sacrifices every day, as high priests do—first for their own sins, then for those of the people. He did this once for all when He offered Himself.

Treasury of Scripture Knowledge

Summary

For the priests and the Levites were purified together, all of them were pure, and killed the passover for all the children of the captivity, and for their brethren the priests, and for themselves.

Bible References

Purified together

2 Chronicles 29:34
However, since there were not enough priests, they weren’t able to skin all the burnt offerings, so their Levite brothers helped them until the work was finished and until the priests consecrated themselves. For the Levites were more conscientious to consecrate themselves than the priests were.
2 Chronicles 30:15
They slaughtered the Passover lamb on the fourteenth day of the second month. The priests and Levites were ashamed, and they consecrated themselves and brought burnt offerings to the Lord’s temple.

Killed

Exodus 12:21
Then Moses summoned all the elders of Israel and said to them, “Go, select an animal from the flock according to your families, and slaughter the Passover animal.
2 Chronicles 35:11
Then they slaughtered the Passover lambs, and while the Levites were skinning the animals, the priests sprinkled the blood they had been given.
Hebrews 7:27
He doesn’t need to offer sacrifices every day, as high priests do—first for their own sins, then for those of the people. He did this once for all when He offered Himself.

Holman Christian Standard Bible®, Copyright © 1999, 2000, 2002, 2003, 2009 by Holman Bible Publishers.