Genesis 19:36–38
36 Thus both the daughters of Lot became pregnant by their father. 37 The firstborn bore a son and called his name Moab.1 He is the yfather of the Moabites to this day. 38 The younger also bore a son and called his name Ben-ammi.2 He is the zfather of the Ammonites to this day.
Deuteronomy 2:19
19 And when you approach the territory of the people of Ammon, do not harass them or contend with them, for pI will not give you any of the land of the people of Ammon as a possession, because I have given it to qthe sons of Lot for a possession.’
Psalm 83:8
8 Asshur also has joined them;
they are the strong arm of lthe children of Lot. Selah