2 Chronicles 31:17

17 and the genealogy of the priests by the house of their fathers, and of the Levites, from a son of twenty years and upward, in their charges, in their courses;

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 by his hand [are] Eden, and Miniamin, and Jeshua, and Shemaiah, Amariah, and Shechaniah, in cities of the priests, faithfully to give to their brethren in courses, as the great so the small,
16 apart from their genealogy, to males from a son of three years and upward, to every one who hath gone in to the house of Jehovah, by the matter of a day in its day, for their service in their charges, according to their courses;
17 and the genealogy of the priests by the house of their fathers, and of the Levites, from a son of twenty years and upward, in their charges, in their courses;
18 and to the genealogy among all their infants, their wives, and their sons, and their daughters to all the congregation, for in their faithfulness they sanctify themselves in holiness.
19 And to sons of Aaron, the priests, in the fields of the suburb of their cities, in every city and city, [are] men who have been defined by name, to give portions to every male among the priests, and to every one who reckoned himself by genealogy among the Levites.
Young's Literal Translation is in the public domain.