In the days of Eliashib, Joiada, Johanan, and Jaddua, the Levites were recorded as heads of fathers' houses; so too were the priests in the reign of Darius the Persian.
and said to them, "You are the heads of the fathers' houses of the Levites. Consecrate yourselves, you and your brothers, so that you may bring up the ark of the LORD, the God of Israel, to the place that I have prepared for it.
Since more chief men were found among the sons of Eleazar than among the sons of Ithamar, they organized them under sixteen heads of fathers' houses of the sons of Eleazar, and eight of the sons of Ithamar.