1 Chronicles 23:24
These were the sons of Levi after their fathers' houses, even the heads of the fathers' houses of those who were counted individually, in the number of names by their polls, who did the work for the service of the house of Yahweh, from twenty years old and upward.
Numbers 10:17
The tabernacle was taken down; and the sons of Gershon and the sons of Merari, who bore the tabernacle, went forward.
Numbers 10:21
The Kohathites set forward, bearing the sanctuary. The others set up the tabernacle before they arrived.
1 Chronicles 23:3
The Levites were numbered from thirty years old and upward: and their number by their polls, man by man, was thirty-eight thousand.
Numbers 4:3
from thirty years old and upward even until fifty years old, all who enter into the service, to do the work in the Tent of Meeting.
Numbers 8:24
"This is that which belongs to the Levites: from twenty-five years old and upward they shall go in to wait on the service in the work of the Tent of Meeting;
Ezra 3:8
Now in the second year of their coming to the house of God at Jerusalem, in the second month, began Zerubbabel the son of Shealtiel, and Jeshua the son of Jozadak, and the rest of their brothers the priests and the Levites, and all those who were come out of the captivity to Jerusalem, and appointed the Levites, from twenty years old and upward, to have the oversight of the work of the house of Yahweh.
Numbers 1:2-4
"Take a census of all the congregation of the children of Israel, by their families, by their fathers' houses, according to the number of the names, every male, one by one;
Numbers 1:18
They assembled all the congregation together on the first day of the second month; and they declared their ancestry by their families, by their fathers' houses, according to the number of the names, from twenty years old and upward, one by one.
Numbers 1:22
Of the children of Simeon, their generations, by their families, by their fathers' houses, those who were numbered of it, according to the number of the names, one by one, every male from twenty years old and upward, all who were able to go out to war;
Numbers 2:32
These are those who were numbered of the children of Israel by their fathers' houses. All who were numbered of the camps according to their armies were six hundred three thousand five hundred fifty.
Numbers 3:15
"Count the children of Levi by their fathers' houses, by their families. You shall count every male from a month old and upward."
Numbers 3:20
The sons of Merari by their families: Mahli and Mushi. These are the families of the Levites according to their fathers' houses.
Numbers 3:47
you shall take five shekels apiece for each one; after the shekel of the sanctuary you shall take them (the shekel is twenty gerahs):
Numbers 4:34-49
Moses and Aaron and the princes of the congregation numbered the sons of the Kohathites by their families, and by their fathers' houses,
1 Chronicles 23:27
For by the last words of David the sons of Levi were numbered, from twenty years old and upward.