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 2:9
9 And the Lord said to me, ‘Do not harass Moab or contend with them in battle, for I will not give you any of their land for a possession, because I have given Ar to lthe people 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