Numbers 3:21
BIB: לְגֵ֣רְשׁ֔וֹן מִשְׁפַּ֙חַת֙ הַלִּבְנִ֔י
NAS: Of Gershon [was] the family
KJV: Of Gershon [was] the family
INT: of Gershon the family of the Libnites

Numbers 26:57
BIB: הַלֵּוִי֮ לְמִשְׁפְּחֹתָם֒ לְגֵרְשׁ֗וֹן מִשְׁפַּ֙חַת֙ הַגֵּ֣רְשֻׁנִּ֔י
NAS: according to their families: of Gershon, the family
KJV: after their families: of Gershon, the family
INT: of the Levites to their families of Gershon the family of the Gershonites