NET
21 The descendants of Ladan, who were descended from Gershon through Ladan and were leaders of the families of Ladan the Gershonite, included Jehieli
Darby
21 The sons of Laadan, the sons of the Gershonites of Laadan, chief fathers of Laadan the Gershonite: Jehieli;
KJV
21 [As concerning] the sons of Laadan; the sons of the Gershonite Laadan, chief fathers, [even] of Laadan the Gershonite, [were] Jehieli.