Ezra 6:20
because the priests and descendants of Levi had purified themselves together all of them were pure and they killed the Passover lamb for every former exile, for their relatives the priests, and for themselves.
2 Chronicles 35:11
They slaughtered the Passover lamb, and the priests poured out the blood that they had received from the lambs while the descendants of Levi flayed the sacrifices.
2 Chronicles 29:34
Because there weren't enough priests, they were unable to prepare all the burnt offerings until other priests came forward after having consecrated themselves, so their descendant of Levi relatives assisted them until the services were complete. (The descendants of Levi had been more conscientious in consecrating themselves than had been the priests.)
Exodus 12:21
Then Moses summoned all the elders of Israel and told them, "Choose sheep for your families, and slaughter the Passover lamb.
2 Chronicles 30:15-17
Then they slaughtered the Passover lamb on the fourteenth day of the second month.
Hebrews 7:27
He has no need to offer sacrifices every day like high priests do, first for his own sins and then for those of the people, since he did this once for all when he sacrificed himself.