Genesis 15:18 Gen. 15:18
In the same day the LORD made a covenant with Abram, saying, Unto thy seed have I given this land, from the river of Egypt unto the great river, the river Euphrates:
2. Samuel 8:3 2. Sam. 8:3
David smote also Hadadezer, the son of Rehob, king of Zobah, as he went to recover his border at the river Euphrates.