1 Chronicles 23:5-7

New Living Translation

⁵ Another 4,000 will work as gatekeepers, and 4,000 will praise the Lord with the musical instruments I have made.” ⁶ Then David divided the Levites into divisions named after the clans descended from the three sons of Levi—Gershon, Kohath, and Merari.

The Gershonites

⁷ The Gershonite family units were defined by their lines of descent from Libni^[a] and Shimei, the sons of Gershon.