4 And there were found among the sons of Eleazar more chiefs of the mighty ones, than of the sons of Ithamar. And he divided them, sixteen heads of families to the sons of Eleazar, eight according to their families to the sons of Ithamar.
1 Chronicles 24:4 Cross References - CAB
Numbers 25:11-13
11 Phinehas the son of Eleazar the son of Aaron the priest has caused My wrath to cease from the children of Israel, when I was exceedingly jealous among them, and I did not consume the children of Israel in My jealousy.
12 Therefore say, Behold, I give to him My covenant of peace;
13 and he and his seed after him shall have a perpetual covenant of priesthood, because he was zealous for his God, and made atonement for the children of Israel.
1 Chronicles 15:6-12
6 Of the sons of Merari, Asaiah the chief, and his brethren, two hundred and twenty.
7 Of the sons of Gershom; Joel the chief, and his brethren, a hundred and thirty.
8 Of the sons of Elizaphan; Shemaiah the chief, and his brethren, two hundred.
9 Of the sons of Hebron; Eliel the chief, and his brethren eighty.
10 Of the sons of Uzziel; Amminadab the chief, and his brethren a hundred and twelve.
11 And David called Zadok and Abiathar the priests, and the Levites, Uriel, Asaiah, Joel, Shemaiah, Eliel, and Amminadab,
12 and said to them, You are the heads of the families of the Levites: sanctify yourselves, you and your brethren, and you shall carry up the ark of the God of Israel, to the place which I have prepared for it.
1 Chronicles 23:24
24 These are the sons of Levi according to the houses of their fathers; chiefs of their families according to their numbering, according to the number of their names, according to their polls, doing the works of service of the house of the Lord, from twenty years old and upward.