Ezekiel 40:46

46and the chamber that faces north is for the priests awho have charge of the altar. These are bthe sons of Zadok, who alone
Hebrew lacks  alone
among the sons of Levi may come dnear to the Lord to minister to him.”

Ezekiel 44:15

Rules for Levitical Priests

15“But ethe Levitical priests, fthe sons of Zadok, who kept gthe charge of my sanctuary hwhen the people of Israel went astray from me, shall come near to me ito minister to me. And they shall stand before me to offer me jthe fat and the blood, declares the Lord God.
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