of twenty years # 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. 
of twenty years # 11_1KI_09_10 # And it came to pass at the end of twenty years, when Solomon had built the two houses, the house of the LORD, and the king's house, 
of twenty years # 14_2CH_08_01 # And it came to pass at the end of twenty years, wherein Solomon had built the house of the LORD, and his own house,