Following are a number of back-translations as well as a sample translation for translators of Psalm 89:29:

• Chichewa Contempary Chichewa translation, 2002/2016:
  “I will establish his grandchildren until forever,
  his kingship chair like the days of heavens.” (Source: Mawu a Mulungu mu Chichewa Chalero Back Translation)
• Newari:
  “I will establish his dynasty for all time,
  and his throne will continue to exist as long as the heavens.” (Source: Newari Back Translation)
• Hiligaynon:
  “Each king of Israel will-come-from his descendants forever/[lit. until whenever];
  his kingdom will-extend-a-long-time the-same-as the lasting of heaven.” (Source: Hiligaynon Back Translation)
• Laarim:
  “His kingdom will remains forever,
  a son of his son will rule his kingdom forever.” (Source: Laarim Back Translation)
• Nyakyusa-Ngonde (back-translation into Swahili):
  “Uzao wake utakuwako milele na milele,
  ufalme wake utakuwako milele kama vile mbinguni.’” (Source: Nyakyusa Back Translation)
• English:
  “I will establish a line of his descendants that will never end,
  various ones of his descendants will always be kings.” (Source: Translation for Translators)