I Chronicles 12:8 Kabbalah

וְיוֹעֵאלָ֧ה וּזְבַדְיָ֛ה בְּנֵ֥י יְרֹחָ֖ם מִן־הַגְּדֽוֹר׃

and Joelah, and Zebadiah, the sons of Jeroham of the troop.

Read kabbalistic (mystical) interpretation of I Chronicles 12:8: and classical mystical sources.