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,
BSB
from thirty to fifty years old who came to do the work of serving and carrying the Tent of Meeting.
WEB
from thirty years old and upward even to fifty years old, everyone who entered in to do the work of service, and the work of bearing burdens in the Tent of Meeting,
YLT
from a son of thirty years and upward even unto a son of fifty years, every one who is going in to do the work of the service, even the service of burden in the tent of meeting,