Following are a number of back-translations as well as a sample translation for translators of Exodus 13:15:

• Kupsabiny: “When the ruler/king hardened his head, he denied us to leave that land, (and) God killed all the firstborns of people and animals in that land. That is what makes us to give God a firstborn young bull, ram or he-goat (and) exchanging (them) for our firstborn sons.’” (Source: Kupsabiny Back Translation)
• Newari: “When Pharaoh stubbornly refused to let us go, the Lord killed all the firstborn male men and animals in Egypt. Therefore we sacrifice all the firstborn male animals to the Lord and redeem our firstborn son with giving money.” (Source: Newari Back Translation)
• Hiligaynon: “When the king still did- not -allow us to go/leave, the LORD killed all the first-born males in Egipto, whether man/human or animal. That is why we (excl.) dedicate to the LORD all the first-born males of our (excl.) animals and we (excl.) redeem our (excl.) first-born male children/(sons).’” (Source: Hiligaynon Back Translation)
• Bariai: “But the great chief of the Isip people was unwavering and refused to listen and so he didn’t allow us to go, therefore Chief God killed all the firstborn children of the Isip people. And he killed the firstborn children of their tame animals also. For this reason we strike/kill the firstborn children of the tame animals to be an offering to the Chief. But we make another offering for straightening [the violation of] the taboo upon our (incl.) firstborn children.” (Source: Bariai Back Translation)
• Opo: “When king of Egypt impeded us (incl.) from going out, firstborn males of Egyptians and firstborn males of animal their, Yahweh killed them all. That is why we (incl.) give for it Yahweh firstborn males of animal our (incl.), that is what we (incl.) replace for it place of firstborn males our (incl.) with males of sheep/goats.›” (Source: Opo Back Translation)
• English: “The king of Egypt stubbornly refused to let them leave his country, so Yahweh killed all the firstborn males in Egypt, both the boys and the firstborn of their livestock. That is why we now sacrifice to Yahweh all the firstborn of our livestock, but we buy back our own firstborn sons.’” (Source: Translation for Translators)