The Levites: David: Numbered Them First from Thirty Years Old
Source: TTT
1 Chronicles 23:2–3
Then he gathered all the leaders of Israel, as well as the priests and Levites. / The Levites thirty years of age or older were counted, and the total number of men was 38,000. / “Of these,” said David, “24,000 are to oversee the work of the house of the LORD, 6,000 are to be officers and judges,