1 Chronicles 23:27

For, by the last words of David, the same, were the number of the sons of Levi, - from twenty years old, and upwards.

1 Chronicles 23:24

These, were the sons of Levi by their ancestral house, the ancestral chiefs of them who were counted in the number of their names, by their polls, doing the work, for the service of the house of Yahweh, - from twenty years old, and upwards.

2 Samuel 23:1

Now, these, are the last words of David, - The oracle of David, son of Jesse, Yea the oracle of The man raised up on high, The Anointed of the God of Jacob, the Delight of the Songs of Israel:

1 Chronicles 23:3

Now the Levites were numbered, from thirty years old and upwards, - and their number by their polls, of mature men, was thirty-eight thousand.

Psalm 72:20

Ended are the prayers of David, son of Jesse.

Treasury of Scripture Knowledge

Summary

For by the last words of David the Levites were numbered from twenty years old and above:

General references

Bible References

By the last

1 Chronicles 23:3
Now the Levites were numbered, from thirty years old and upwards, - and their number by their polls, of mature men, was thirty-eight thousand.
2 Samuel 23:1
Now, these, are the last words of David, - The oracle of David, son of Jesse, Yea the oracle of The man raised up on high, The Anointed of the God of Jacob, the Delight of the Songs of Israel:
Psalm 72:20
Ended are the prayers of David, son of Jesse.

General references

Numbers 4:35
from thirty years old and upwards, even unto fifty years old, all that might enter the host, to labour in the tent of meeting;