Genesis 19:29-31 Christian Standard Bible (CSB)
29 So it was, when God destroyed the cities of the plain, he remembered Abraham and brought Lot out of the middle of the upheaval when he demolished the cities where Lot had lived.
The Origin of Moab and Ammon
30 Lot departed from Zoar and lived in the mountains along with his two daughters, because he was afraid to live in Zoar. Instead, he and his two daughters lived in a cave. 31 Then the firstborn said to the younger, “Our father is old, and there is no man in the land to sleep with us as is the custom of all the land.