Treasury of Scripture Knowledge
From thirty years old and upward even unto fifty years old, every one that came to do the service of the ministry, and the service of the burden in the tabernacle of the congregation,
From the son of thirty years and above, and to the son of fifty years, all coming in to war to do the works of the tent of appointment
1 Chronicles 23:3
And the Levites will be numbered from the son of thirty years and above: and their number, for their craniums, for the men, thirty and eight thousand.
And Aaron and his sons finished to cover the holy place, and all the vessels of the holy place, in removing the camp; and after this the sons of Kohath shall come forth to lift up: and they shall not touch the holy place, and die. These the lifting up of the sons of Kohath in the tent of appointment
And having gifts different according to the grace given us, whether prophecy, according to the due proportion of faith;
1 Corinthians 12:4
And there are distinctions of favors, and the same Spirit.
From the son of thirty years and above, even to the son of fifty years, all going forth to war, to the service in the tent of appointment