2 Chronicles 31:17
And the enrollment of the priests [was] according to the house of their fathers, and the Levites, from twenty years old and upward, according to their posts by their working groups.
1 Chronicles 23:24
These [were] the sons of Levi according to the house of their fathers, the heads of the {families}, according to their enrollment, by the number of the names, according to their head count, [who were to] do the work of the service of the house of Yahweh, from twenty years old and above.
1 Chronicles 23:27
For by the last words of David, they [are] the number of the sons of Levi, from twenty years old and above.
Numbers 3:15
"Muster the descendants of Levi according to {their families}, according to their clans. You will count every male from {one month} and above."
Numbers 3:20
The sons of Merari according to their tribes: Mahli and Mushi. These [are] the clans of the Levites according to {their families}.
Numbers 4:3
from {thirty years old} and above, up to {fifty years old}, everyone who comes to the service to do the work in the tent of assembly.
Numbers 4:38
And the descendants of Gershon counted according to their clans and according to {their families},
Numbers 4:42
Those counted of the clans of the descendants of Merari according to their clans, according to {their families},
Numbers 4:46
All those counted of the Levites whom Moses and Aaron and all the leaders of Israel mustered according to their clans, according to {their families},
Numbers 8:24
"This [is] what is for the Levites: {those twenty-five years old} and above will come to help [with the] service in the work of the tent of assembly;
Numbers 17:2-3
"Speak to the {Israelites}, and take from among them twelve staffs, {a staff from each family} from among all their leaders according to their families' households. Write the name of each man on his staff,
1 Chronicles 24:20-26
And as for the remainder of the sons of Levi: of the sons of Amram, Shubael; of the sons of Shubael, Jehdeiah.
2 Chronicles 31:2
And Hezekiah appointed working groups of the priests and the Levites, each according to their divisions, {according to the service for priests and Levites}, for burnt offerings, for peace offerings, to serve, to give thanks, and to praise in the gates of the camps of Yahweh.
Ezra 2:59
Now these were the ones who came up from Tel-melah, Tel-harsha, Cherub, Addan, and Immer, but they were not able to prove their fathers' household and their descent, if they were from Israel: