'Passover offerings' in the Bible

Josiah gave to the children of the people, of the flock, lambs and young goats, all of them for the Passover offerings, to all who were present, to the number of thirty thousand, and three thousand bulls: these were of the king's substance.

His princes gave for a freewill offering to the people, to the priests, and to the Levites. Hilkiah and Zechariah and Jehiel, the rulers of the house of God, gave to the priests for the Passover offerings two thousand and six hundred [small livestock], and three hundred head of cattle.

Conaniah also, and Shemaiah and Nethanel, his brothers, and Hashabiah and Jeiel and Jozabad, the chiefs of the Levites, gave to the Levites for the Passover offerings five thousand [small livestock], and five hundred head of cattle.