I Chronicles 8:28 Midrash

אֵ֣לֶּה רָאשֵׁ֥י אָב֛וֹת לְתֹלְדוֹתָ֖ם רָאשִׁ֑ים אֵ֖לֶּה יָשְׁב֥וּ בִירוּשָׁלִָֽם׃ (ס)

These were heads of fathers’houses throughout their generations, chief men; these dwelt in Jerusalem.

Read midrashic interpretation of I Chronicles 8:28: and classical rabbinic exegesis.