2 Chronicles 31:17

This [is] the distribution of the priests according to the houses of their families; and the Levites in their daily courses from twenty years old and upward [were] in [their] order,

Both to the genealogy of the priests by the house of their fathers, and the Levites from twenty years old and upward, in their charges by their courses;

and those who were listed by genealogy of the priests by their fathers’ houses, and the Levites from twenty years old and upward, in their offices by their divisions;