10
The four sons of Shimei: Jahath, Ziza, Jeush, and Beriah.
11
Jahath came first, followed by Ziza. Jeush and Beriah did not have many sons so they were counted as one family with one task.
12
The four sons of Kohath: Amram, Izhar, Hebron, and Uzziel.
13
The sons of Amram: Aaron and Moses. Aaron was especially ordained to work in the Holy of Holies, to burn incense before God, to serve God and bless his Name always. This was a permanent appointment for Aaron and his sons.
14
Moses and his sons were counted in the tribe of Levi