Ezra
1 Chronicles 6:49BSB·traditional attribution

But Aaron and his sons did all the work of the Most Holy Place. They presented the offerings on the altar of burnt offering and on the altar of incense to make atonement for Israel, according to all that Moses the servant of God had commanded.

Matthew Henry Presbyterian @wholebiblehenry

When the Levites were first ordained in the wilderness much of the work then appointed them lay in carrying and taking care of the tabernacle and the utensils of it, while they were in their march through the wilderness. In David's time their number was increased; and, though the greater part of them was dispersed all the nation over, to teach the people the good...

Commenting on 1 Chronicles 6:31-53

Jamieson-Fausset-Brown Reformed @jfbcommentary

OFFICE OF AARON AND HIS SONS. (1Ch. 6:49-81) But Aaron and his sons offered, &c.--The office and duties of the high priests having been already described, the names of those who successively filled that important office are recorded.

Commenting on 1 Chronicles 6:49-81

Keil & Delitzsch Lutheran @keilanddelitzsch

1Ch 6:16-81 (Hebrew_Bible_Ch. 6). The families and cities of the Levites. - Vv. 1-34. Register of the families of the Levites. - This is introduced by an enumeration of the sons and grandsons of Levi (1Ch 6:16-19), which is followed by lists of families in six lines of descent: (a) the descendants of Gershon (1Ch 6:20-21), of Kohath (1Ch 6:22-28), and of Merari (1Ch 6:29-30)...

Commenting on 1 Chronicles 6:16-81