1 Chronicles 6:20-21

Gershom : the clan of Gershom/Gershon of the tribe of Levi

Iddo : father of Ahinadab, Solomon's deputy for food from Mahanaim,son of Joah of Gershom son of Levi,son of Zechariah; chief over Manasseh in Gilead under David,a prophet who wrote about the times of Solomon,grandfather of the prophet Zechariah; father of Berekiah,priest leader of some who returned from exile with Zerubbabel,a leader of the Jews in Casiphia of Babylon

Jahath : son of Reaiah of Judah,son of Libni of Gershom son of Levi,firstborn son of Shimei son of Gershon son of Levi,chief of Shelomoth and Izhar clans (Kohath Levi) under David,a Merari Levite overseer of temple repairs under Josiah

Jeatherai : son of Zerah of Gershom son of Levi

Joah : son of Asaph; record keeper of King Hezekiah,son of Zimmah one of the Levites of Gershon whom, along with his son Eden, King Hezekiah assigned to supervise the cleansing of the temple,son of Obed-Edom; a Levite gatekeeper whose descendants returned from exile,son of Joahaz; record keeper of King Josiah

Libni : son of Gershom son of Levi,son of Mahli son of Merari son of Levi

Zerah : members of the clan of Zerah of Simeon,members of the clan of Zerah of Judah

Zimmah : son of Jahath of Gershom son of Levi,son of Shimei of Gershom of Levi; ancestor of Asaph,father of Joah (Gershon Levi), a temple cleaner under Hezekiah