I Chronicles 2:47 Midrash

וּבְנֵ֖י יָהְדָּ֑י רֶ֧גֶם וְיוֹתָ֛ם וְגֵישָׁ֥ן וָפֶ֖לֶט וְעֵיפָ֥ה וָשָֽׁעַף׃

And the sons of Jahdai: Regem, and Jotham, and Geshan, and Pelet, and Ephah, and Shaaph.

Read midrashic interpretation of I Chronicles 2:47: and classical rabbinic exegesis.