Following are a number of back-translations as well as a sample translation for translators of Isaiah 11:13:

• Kupsabiny: “The jealousy that Israel has for Judah
  shall end.
  Also the enmity that Judah has for Israel
  shall end.” (Source: Kupsabiny Back Translation)
• Newari: “The jealousy of Ephraim will cease to exist,
  and the enemies of Judah will be destroyed.
  Ephraim will not be jealous of Judah,
  and Judah and Ephraim will not be enemies.” (Source: Newari Back Translation)
• Hiligaynon: “The jealousy of Israel to Juda and the hostility of Juda to Israel will- now -vanish.” (Source: Hiligaynon Back Translation)
• English: “Then, the people of Israel and the people of Judah will not be jealous of each other any longer,
  and they will no longer be enemies of each other.” (Source: Translation for Translators)