The New John Gill Exposition of the Entire BibleNumbers 3:18
And these [are] the names of the sons of Gershon, by their
Or to Gershon belonged two families, called after the
names of his sons, who were now numbered, namely,
Libni and Shimei;
and who are elsewhere mentioned as his sons,
(Exodus 6:17) ; and from hence were the families of the Libnites and
Shimites, as in (Numbers 3:21) .