Numbers 4:35

They registered all the men between the ages of thirty and fifty who were qualified to work at the tent of meeting.

Numbers 4:23

Register all the men between the ages of thirty and fifty who are qualified to serve at the tent of meeting.

1 Chronicles 23:24

These were the descendants of Levi by their families, the heads of families as they were registered under their names and counted individually, that is, the workers twenty years old or more who served in the Temple of Jehovah.

Numbers 4:3

Register all the men between the ages of thirty and fifty who are qualified to work at the tent of meeting.

Numbers 4:30

Register all the men between the ages of thirty and fifty who are qualified to serve at the tent of meeting.

Numbers 4:39

All the men between the ages of thirty and fifty who were qualified to serve at the tent of meeting were registered.

Numbers 4:43

All the men between the ages of thirty and fifty who were qualified to serve at the tent of meeting were registered.

Numbers 4:47

were the men between the ages of thirty and fifty who were qualified to do the work of serving and who carried the tent of meeting.

Numbers 8:24-26

From the age of twenty-five each Levite shall perform his duties in the tent of my presence,

1 Chronicles 23:3

The Levites thirty years old or older were counted, and the total number of men was thirty-eight thousand.

1 Chronicles 23:26-27

the Levites no longer need to carry the Tabernacle or any of the articles used in its service.

1 Chronicles 28:13

He determined the divisions of the priests and Levites. He planned all the work done for worship in Jehovah's Temple. He designed all the utensils for worship in Jehovah's Temple.

Luke 3:23

When Jesus began to teach he was about thirty years old. Jesus was the son of Joseph, the son of Heli,

1 Timothy 3:6

He should not be a new believer, so that he will not become conceited and 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
Register all the men between the ages of thirty and fifty who are qualified to work at the tent of meeting.
Numbers 8:24
From the age of twenty-five each Levite shall perform his duties in the tent of my presence,
1 Chronicles 23:3
The Levites thirty years old or older were counted, and the total number of men was thirty-eight thousand.
1 Chronicles 28:13
He determined the divisions of the priests and Levites. He planned all the work done for worship in Jehovah's Temple. He designed all the utensils for worship in Jehovah's Temple.
Luke 3:23
When Jesus began to teach he was about thirty years old. Jesus was the son of Joseph, the son of Heli,
1 Timothy 3:6
He should not be a new believer, so that he will not become conceited and fall into the condemnation of the Devil.