KJV:
As concerning the sons of Laadan; the sons of the Gershonite Laadan, chief fathers, even of Laadan the Gershonite, were Jehieli.
NASB:
The sons of Ladan, the sons of the Gershonites belonging to Ladan, namely, the Jehielites, were the heads of the fathers' households, belonging to Ladan the Gershonite.