The sons of Kohath: Amram, Izhar, Hebron, and Uzziel—four in all.
Here we have, I. The crown entailed, according to the divine appointment, Ch1 23:1. David made Solomon king, not to reign with him, or reign under him, but only to reign after him. This he did, 1. When he was old and full of days. He was but seventy years old when he died, and yet he was full of days, satur dierum - satisfied with living in this world.
Commenting on 1 Chronicles 23:1-23
The sons of Amram; Aaron and Moses,.... A son of Kohath, Ch1 23:2. and Aaron was separated; from the children of Israel, Exo 28:1, that he should sanctify the most holy things, he and his sons for ever; by an holy use of them, and keeping them from all unholy and profane uses; and this they were to do as long as the Aaronic priesthood...
OF KOHATH. (Ch1 23:12-20) The sons of Kohath--He was the founder of nine Levitical fathers' houses.