וּשְׁמִידָ֕ע מִשְׁפַּ֖חַת הַשְּׁמִידָעִ֑י וְחֵ֕פֶר מִשְׁפַּ֖חַת הַֽחֶפְרִֽי׃
and of Shemida, the family of the Shemidaites; and of Hepher, the family of the Hepherites.
Read kabbalistic (mystical) interpretation of Numbers 26:32: and classical mystical sources.