Following are a number of back-translations as well as a sample translation for translators of Exodus 3:15:

• Kupsabiny: “Tell them that, ‘The God of your grandfathers Abraham, Isaac, and Jacob has sent me.’ Tell them that this is the name that all generations will call me for years and years.” (Source: Kupsabiny Back Translation)
• Newari: “Then God said to Moses again, ‘Tell the Israelites, ‘The God of your ancestors Abraham, Isaac, and Jacob has sent me to you.’
  For this has always been my name.
  By this very name,
  you will be remembering me from generation to generation.” (Source: Newari Back Translation)
• Hiligaynon: “God continued to-speak to Moises, ‘Say this to the Israelinhon: ‘The LORD, the God of your (plur.) ancestors/[lit. old-ones] Abraham, Isaac, and Jacob, is-the-one (who) has-sent me to you (plur.).’ I will-be-recognized/called by my name LORD forever/[lit. until whenever].’” (Source: Hiligaynon Back Translation)
• Bariai: “And then God said to Moses, ‘You will speak to the Israel people like this, ‘The Chief, the God of your (pl.) ancestors Abraam and Aisak and Iakop, he sent me to come to you. He says that his name is like that, and so the people will remember him like that always and forever and on.’ ’” (Source: Bariai Back Translation)
• Opo: “And God also said to Moses «you say people of Israel like this ‹Yahweh who be God of ancestors your, God of Abraham, and God of Isaac, and God of Jacob, it is he that sent me here to you.› And this name, be my name forever. Generation which will come all, they will remember me with this name.” (Source: Opo Back Translation)
• English: “God also said to Moses/me, ‘Say this to the Israeli people: ‘Yahweh God, the one your ancestors worshiped, the one that Abraham and Isaac and Jacob worshiped, has sent me to you.’ This name, Yahweh, will be my name forever. That is the name that people in all future generations must use when they talk about/to me.” (Source: Translation for Translators)

See also complete verse (Exod. 3:14-15).