Nehemiah 12:9 Midrash

וּבַקְבֻּֽקְיָ֨ה וענו [וְעֻנִּ֧י] אֲחֵיהֶ֛ם לְנֶגְדָּ֖ם לְמִשְׁמָרֽוֹת׃

Also Bakbukiah and Unni, their brethren, were over against them in wards.

Read midrashic interpretation of Nehemiah 12:9: and classical rabbinic exegesis.