Following are a number of back-translations as well as a sample translation for translators of Psalm 132:12:

• Chichewa Contempary Chichewa translation, 2002/2016:
  “if your children (continue) keeping my agreement
  and the laws that I teach them,
  then their children will sit on a chair
  yours of kingship forever and ever.’” (Source: Mawu a Mulungu mu Chichewa Chalero Back Translation)
• Newari:
  “If your sons observe my covenant
  and the decrees which I teach them
  their sons will sit on your throne forever.” (Source: Newari Back Translation)
• Hiligaynon:
  “If your (sing.) descendants who (are) kings will-fulfill my agreement and the teachings which I have-taught to them,
  their descendants will- also -reign forever/[lit. until whenever].’” (Source: Hiligaynon Back Translation)
• Laarim:
  “if then your sons keep my covenant,
  and they follow the way I teach,
  then their sons will rule
  from your chair forever.’” (Source: Laarim Back Translation)
• Nyakyusa-Ngonde (back-translation into Swahili):
  “Watoto wako iwapo wanalishika agano langu,
  na kuzifuata sheria ambazo nawafundisha,
  ndipo na watoto wao pia,
  watakuja kukaa katika kiti chako cha enzi milele na milele.’” (Source: Nyakyusa Back Translation)
• English:
  “If they keep my agreement with them
  and obey all the commands that I will give them,
  the line of kings descended from you will never end.’” (Source: Translation for Translators)