Following are a number of back-translations as well as a sample translation for translators of Isaiah 29:23:

• Kupsabiny: “They shall honor me and praise me
  when they see the children I am giving them,
  and I shall bless them.” (Source: Kupsabiny Back Translation)
• Newari: “When they see in their midst
  their own sons and daughters, the work of my hand,
  they will make my name holy.
  They will certainly recognize that the must Holy God of Jacob is holy.
  and [they] will fear the God of Israel.” (Source: Newari Back Translation)
• Hiligaynon: “For if they who are the descendants of Jacob will-see my deeds/works to them, they will-respect me, the Holy God of Jacob, and they will recognize/acknowledge my holiness. They will-be-afraid of me the God of Israel.” (Source: Hiligaynon Back Translation)
• English: “When they see that I have blessed them by giving them many children and doing many other things for them,
  they will realize that I am the Holy One of Israel,
  and they will revere me, the God to whom they, the descendants of Jacob, belong.” (Source: Translation for Translators)