Numbers 4:39

Young's Literal Translation 1862

from a son of thirty years and upward even unto a son of fifty years, every one who is going in to the host, for service in the tent of meeting,

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from a son of thirty years and upward even unto a son of fifty years, every one who is going in to the host, for service in the tent of meeting,

And those numbered of the sons of Gershon, by their families, and by the house of their fathers,

even their numbered ones, by their families, by the house of their fathers, are two thousand and six hundred and thirty.

And Jesus himself was beginning to be about thirty years of age, being, as was supposed, son of Joseph,