David divided1 the Levites into groups corresponding to the sons of Levi:2 Gershon, Kohath and Merari.
References for 1 Chronicles 23:6
Belonging to the Gershonites:3 Ladan and Shimei.
References for 1 Chronicles 23:7
The sons of Ladan: Jehiel the first, Zetham and Joel--three in all.
The sons of Shimei: Shelomoth, Haziel and Haran--three in all. These were the heads of the families of Ladan.
And the sons of Shimei: Jahath, Ziza, Jeush and Beriah. These were the sons of Shimei--four in all.
References for 1 Chronicles 23:10
Jahath was the first and Ziza the second, but Jeush and Beriah did not have many sons; so they were counted as one family with one assignment.
The sons of Kohath:4 Amram, Izhar, Hebron and Uzziel--four in all.
References for 1 Chronicles 23:12
The sons of Amram:5 Aaron and Moses. Aaron was set apart,6 he and his descendants forever, to consecrate the most holy things, to offer sacrifices before the LORD, to minister7 before him and to pronounce blessings8 in his name forever.
References for 1 Chronicles 23:13