From thirty years old and upward until fifty years old shalt thou number them; all that enter in to perform the service, to do the work in the tabernacle of the congregation.
TSK
TSK · Numbers 4:35
مراجع Treasury of Scripture Knowledge في KJV.
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,
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,
Now the Levites were numbered from the age of thirty years and upward: and their number by their polls, man by man, was thirty and eight thousand.
And also unto the Levites; they shall no [more] carry the tabernacle, nor any vessels of it for the service thereof.
And Jesus himself began to be about thirty years of age, being (as was supposed) the son of Joseph, which was [the son] of Heli,