3:17 These were the sons 1 of Levi by their names: Gershon, Kohath, and Merari.
3:18 These are the names of the sons of Gershon by their families: Libni and Shimei.
13:4 Now these were their names: from the tribe of Reuben, Shammua son of Zaccur;
1 tn The word “sons of” does at the outset refer to the sons of Levi. But as the listing continues the expression refers more to the family groups of the various descendants.