Following are a number of back-translations as well as a sample translation for translators of Genesis 15:18:

• Kankanaey: “That was God’s confirmation/ratification of what he had promised Abram saying, ‘I will most certainly (prophetic formula) give to your (sing.) descendants all of this land starting-from the river Nile at Egipto until the river Eufrates.'” (Source: Kankanaey Back Translation)
• Newari: “At that time the LORD made a covenant like this with Abram — ‘I have given to your descendants this land from the river of the land of Egypt to the great river Euphrates –” (Source: Newari Back Translation)
• Hiligaynon: “In that very day, the LORD made an agreement with Abram. He said, ‘I will-give to your descendants this land which is from the river that borders Egipto going-towards the big/great river which-(is) the Eufrates.” (Source: Hiligaynon Back Translation)
• English: “And on that day Yahweh made an agreement with Abram. Yahweh told him, ‘I will give to your descendants all the land between the river that is on the eastern border of Egypt to the south, and north to the huge Euphrates River.” (Source: Translation for Translators)