Following are a number of back-translations as well as a sample translation for translators of 2 Chronicles 29:12:

• Kupsabiny: “Then, the Levites got up and started the work. The Levites who came from the house of Kohath were Mahath son of Amasai and Joel son of Azariah. And those of the house of Merari were Kish son of Abdi and Azariah son of Jehallelel, those of the house of Gershon were Joah son of Zimmah and Eden son of Joah.” (Source: Kupsabiny Back Translation)
• Newari: “Then these Levites went forward to do the work —
  From the Kohathites —
  Mahath son of Amasia and Joel son of Azariah.
  From the Merari-ites —
  Kish son of Abdi and Azariah son of Jehallelel
  From the Gershonies —
  Joah son of Zimmah and Eden son of Joah.” (Source: Newari Back Translation)
• Hiligaynon: “So these Levites began to work:
  (From) the family of Kohat: Mahat the child of Amasai and Joel the child of Azaria.
  (From) the family of Merari: Kish the child of Abdi and Azaria the child of Jehalelel.
  (From) the family of Gershon: Joa the child of Zima and Eden the child of Joa.” (Source: Hiligaynon Back Translation)
• English: “Then these descendants of Levi started to work in the temple:
  From the descendants of Kohath there were Mahath the son of Amasai, and Joel the son of Azariah.
  From the descendants of Merari there were Kish the son of Abdi, and Azariah the son of Jehallelel.
  From the descendants of Gershon there were Joah the son of Zimmah, and Eden the son of Joah.” (Source: Translation for Translators)