Ellicott's Commentary On The Whole Bible
1 Chronicles 6 - Introduction
VI.
The tribe of Levi, its principal genealogies, and its cities. (1) The genealogy of Aaron, including his descent from Levi, and his successors in the line of Eleazar until the Babylonian exile (1 Chronicles 6:1). (2) A double series of the sons of Gershon, Kohath, and Merari, the three sons of Levi, to whom also the ancestry of Heman, Asaph, and Ethan is traced (1 Chronicles 6:16). (3) A repetition of the line of Aaron, from Eleazar to the age of David and Solomon, as prelude to the account of the cities of the Levites (1 Chronicles 6:49).