Transjordan in the Bible have the wrong ethnicity, but are "within the boundary of the 'pure' geographical location." According to Genesis, (), Ammon and Moab were born to Lot and Lot's younger and elder daughters, respectively, in the aftermath of the destruction of Sodom and Gomorrah. The Bible refers to both the Ammonites and Moabites as the "children of Lot". Throughout the Bible, the Ammonites and Israelites are portrayed as mutual antagonists. During the Exodus, the Israelites were prohibited by the Ammonites from passing through their lands (). In the Book of Judges, the Ammonites work with Eglon, king of the Moabites against Israel.
Wife–sister narratives in the Book of Genesis leave Egypt with all the possessions Abram had acquired in Egypt. narrates the story of Abraham emigrating to the southern region of Gerar, whose king is named Abimelech. Abraham states that Sarah, his wife, is really his sister, leading Abimelech to try to take Sarah as a wife; however, God intervened before Abimelech touched Sarah. Abimelech complains to Abraham, who states that Sarah is his half-sister. Abimelech then restores Sarah to Abraham, and gives him gifts of livestock and servants by way of apology, and also allows Abraham to reside anywhere in Gerar. Abimelech also gives 1000 pieces of silver