1 Chronicles 6:48-50

Young's Literal Translation

⁴⁸ And their brethren the Levites are put to all the service of the tabernacle of the house of God.

⁴⁹ And Aaron and his sons are making perfume on the altar of the burnt-offering, and on the altar of the perfume, for all the work of the holy of holies, and to make atonement for Israel, according to all that Moses servant of God commanded.

⁵⁰ And these [are] sons of Aaron: Eleazar his son, Phinehas his son, Abishua his son,