NET
6 David divided them into groups corresponding to the sons of Levi: Gershon, Kohath, and Merari.
Darby
6 And David divided them into courses according to the sons of Levi: Gershon, Kohath, and Merari.
KJV
6 And David divided them into courses among the sons of Levi, [namely], Gershon, Kohath, and Merari.