2 Chronicles 31:17

17 And the families of the priests were listed by their fathers' names, but the Levites, of twenty years old and over, were listed in relation to their work in their divisions;

2 Chronicles 31:17 Meaning and Commentary

2 Chronicles 31:17

Both to the genealogy of the priests by the house of their
fathers
As to the priests registered according to their families from the age before observed, a portion was given: so to the Levites,

from twenty years old and upward, in their charges, by their courses;
for though originally they were not admitted into the tabernacle till twenty five years of age, nor to officiate till thirty, but in David's time they were allowed at twenty years of age and upwards, ( 1 Chronicles 23:24 ) .

2 Chronicles 31:17 In-Context

15 And under him were Eden and Miniamin and Jeshua and Shemaiah and Amariah and Shecaniah, in the towns of the priests, who were made responsible for giving it to all their brothers, by divisions, to small and great:

16 As well as to all the males, of three years old and over, listed by their families, who went into the house of the Lord to do what was needed day by day, for their special work with their divisions.

17 And the families of the priests were listed by their fathers' names, but the Levites, of twenty years old and over, were listed in relation to their work in their divisions;

18 And in the lists were all their little ones and their wives and their sons and daughters, through all the people: they made themselves holy in the positions which they were given.

19 And as for the sons of Aaron, the priests, living in the country on the outskirts of their towns, every different town there were men, marked out by name, to give their part of the goods to all the males among the priests, and to all who were listed among the Levites.