Numbers 4:35

They numbered them from thirty years old and upward even to fifty years old, everyone that entered into the service, for the work in the tabernacle of the congregation.

Numbers 4:23

From thirty years old and upward to fifty years old you shall number them, all that enter in to perform the service, to do the work in the tabernacle of the congregation.

1 Chronicles 23:24

These were the sons of Levi after the house of their fathers, the chief of the fathers, as they were counted by number of names by their heads, the ones who did the work for the service of the house of Jehovah, from the age of twenty years and upward.

Numbers 4:3

from thirty years old and upward even to fifty years, all that enter into the service, to do the work in the tabernacle of the congregation.

Numbers 4:30

You shall number them from thirty years old and upward even to fifty years old, everyone who enters into the service, to do the work of the tabernacle of the congregation.

Numbers 4:39

from thirty years old and upward even to fifty years old, everyone that enters into the service for the work in the tabernacle of the congregation,

Numbers 4:43

from thirty years old and upward even to fifty years old, everyone that enters into the service for the work in the tabernacle of the congregation,

Numbers 4:47

from thirty years old and upward even to fifty years old, everyone that came to do the service of the ministry and the service of the burden in the tabernacle of the congregation,

Numbers 8:24-26

This is that which pertains to the Levites. From twenty-five years old and upward they shall go in to wait upon the service of the tabernacle of the congregation.

1 Chronicles 23:3

And the Levites were numbered from the age of thirty years and upward. And their number by their heads, man by man, was thirty-eight thousand.

1 Chronicles 23:26-27

and also to the Levites, so that they shall no more carry the tabernacle, nor any of its vessels for its service.

1 Chronicles 28:13

And for the divisions of the priests and the Levites, and for all the work of the service of the house of Jehovah, and for all the vessels of service in the house of Jehovah;

Luke 3:23

And Jesus Himself was beginning to be about thirty years of age, being (as was supposed) son of Joseph, son of of Heli,

1 Timothy 3:6

not a novice, lest being puffed up he may fall into the condemnation of the Devil.

Treasury of Scripture Knowledge

Summary

From thirty years old and upward even unto fifty years old, every one that entereth into the service, for the work in the tabernacle of the congregation:

Bible References

General references

Numbers 4:3
from thirty years old and upward even to fifty years, all that enter into the service, to do the work in the tabernacle of the congregation.
Numbers 8:24
This is that which pertains to the Levites. From twenty-five years old and upward they shall go in to wait upon the service of the tabernacle of the congregation.
1 Chronicles 23:3
And the Levites were numbered from the age of thirty years and upward. And their number by their heads, man by man, was thirty-eight thousand.
1 Chronicles 28:13
And for the divisions of the priests and the Levites, and for all the work of the service of the house of Jehovah, and for all the vessels of service in the house of Jehovah;
Luke 3:23
And Jesus Himself was beginning to be about thirty years of age, being (as was supposed) son of Joseph, son of of Heli,
1 Timothy 3:6
not a novice, lest being puffed up he may fall into the condemnation of the Devil.