Ezekiel 43:19 Midrash

וְנָתַתָּ֣ה אֶל־הַכֹּהֲנִ֣ים הַלְוִיִּ֡ם אֲשֶׁ֣ר הֵם֩ מִזֶּ֨רַע צָד֜וֹק הַקְּרֹבִ֣ים אֵלַ֗י נְאֻ֛ם אֲדֹנָ֥י יְהוִ֖ה לְשָֽׁרְתֵ֑נִי פַּ֥ר בֶּן־בָּקָ֖ר לְחַטָּֽאת׃

Thou shalt give to the priests the Levites that are of the seed of Zadok, who are near unto Me, to minister unto Me, saith the Lord GOD, a young bullock for a sin-offering.

Read midrashic interpretation of Ezekiel 43:19: and classical rabbinic exegesis.