Charles Ellicott Commentary 1 Chronicles 23:12

"The sons of Kohath: Amram, Izhar, Hebron, and Uzziel, four." — 1 Chronicles 23:12 (ASV)

The sons of Kohath. — 1 Chronicles 23:12–20 give the names of nine Kohathite houses, “Amram, Izhar,” etc. (Compare to 1 Chronicles 6:2; 1 Chronicles 6:18).