from the age # 13_1CH_23_03 # 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. 
from the age # 13_1CH_23_24 # These [were] the sons of Levi after the house of their fathers; [even] the chief of the fathers, as they were counted by number of names by their polls, that did the work for the service of the house of the LORD, from the age of twenty years and upward. 
from the age # 04_NUM_08_25 # And from the age of fifty years they shall cease waiting upon the service [thereof], and shall serve no more: