לְגֵ֣רְשׁ֔וֹן מִשְׁפַּ֙חַת֙ הַלִּבְנִ֔י וּמִשְׁפַּ֖חַת הַשִּׁמְעִ֑י אֵ֣לֶּה הֵ֔ם מִשְׁפְּחֹ֖ת הַגֵּרְשֻׁנִּֽי׃
Of Gershon was the family of the Libnites, and the family of the Shimeites; these are the families of the Gershonites.
Find Mishnaic references to Numbers 3:21: passages from the 63 tractates of the Mishnah that cite or discuss this verse, free.