וַיִּהְי֧וּ בְנֵי־יְרַחְמְאֵ֛ל בְּכ֥וֹר חֶצְר֖וֹן הַבְּכ֣וֹר ׀ רָ֑ם וּבוּנָ֥ה וָאֹ֛רֶן וָאֹ֖צֶם אֲחִיָּֽה׃
And the sons of Jerahmeel the first-born of Hezron were Ram the first-born, and Bunah, and Oren, and Ozem, Ahijah.
Read Midrashic interpretations of I Chronicles 2:25: rabbinic exegesis from Bereshit Rabbah, Shemot Rabbah and classical Midrash sources, free.