Numbers 4:35

from thirty years and above unto fifty, and that were able to go forth in the host and to do service in the tabernacle of witness.

Numbers 4:23

from thirty years and above, until fifty, all that are able to go forth in war - for to do service in the tabernacle of witness.

1 Chronicles 23:24

These are the children of Levi in the households of their fathers the ancient heads, viewed and numbered by name and poll by poll from twenty year and above, to work in the service of the house of the LORD.

Numbers 4:3

all that were able to war - for to do the work in the tabernacle of witness:

Numbers 4:30

from thirty years and above unto fifty, all that is able to go forth in war - to do the service of the tabernacle of witness.

Numbers 4:39

from thirty years up unto fifty, all that were able to go forth in the host for to do service in the tabernacle of witness.

Numbers 4:43

from thirty years up unto fifty, all that were able to go forth with the host to do service in the tabernacle of witness.

Numbers 4:47

from thirty years up unto fifty, every man to do his office and service and to bear his burden in the tabernacle of witness -

Numbers 8:24-26

"This shall be the manner of the Levites: from twenty five years upward they shall go in to wait upon the service in the tabernacle of witness,

1 Chronicles 23:3

And the Levites were numbered from thirty years and above, and the tale of them in men, poll by poll, was thirty eight thousand.

1 Chronicles 23:26-27

Moreover, the Levites should now no more bear the tabernacle and all the vessels that pertain to the service thereof." -

1 Chronicles 28:13

and of the companies of the priests and Levites that waited by course, and of all workmanship, that should serve for the house of the LORD, and for all vessels that should serve in the house of the LORD.

Luke 3:23

And Jesus himself was about thirty years of age when he began, and he was taken for the son of Joseph: which Joseph was the son of Heli:

1 Timothy 3:6

He may not be a young scholar, lest he swell and fall into the judgment of the evil speaker.

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
all that were able to war - for to do the work in the tabernacle of witness:
Numbers 8:24
"This shall be the manner of the Levites: from twenty five years upward they shall go in to wait upon the service in the tabernacle of witness,
1 Chronicles 23:3
And the Levites were numbered from thirty years and above, and the tale of them in men, poll by poll, was thirty eight thousand.
1 Chronicles 28:13
and of the companies of the priests and Levites that waited by course, and of all workmanship, that should serve for the house of the LORD, and for all vessels that should serve in the house of the LORD.
Luke 3:23
And Jesus himself was about thirty years of age when he began, and he was taken for the son of Joseph: which Joseph was the son of Heli:
1 Timothy 3:6
He may not be a young scholar, lest he swell and fall into the judgment of the evil speaker.