The Gershonites included Ladan and Shimei.
From the descendants of Gershom: Joel the leader and 130 of his relatives.
David divided them into groups corresponding to the sons of Levi: Gershon, Kohath, and Merari.
The sons of Ladan: Jehiel the oldest, Zetham, and Joel – three in all.
The descendants of Ladan, who were descended from Gershon through Ladan and were leaders of the families of Ladan the Gershonite, included Jehieli
The sons of Kohath: Amram, Izhar, Hebron, and Uzziel.
his son Ladan, his son Ammihud, his son Elishama,
The sons of Gershon, by their families, were Libni and Shimei.