Genesis 19:37

The firstborn bore a son and called his name Moab; he is the father of the Moabites to this day.

Surrounding context

19:36 Thus both the daughters of Lot were with child by their father.

19:37 The firstborn bore a son and called his name Moab; he is the father of the Moabites to this day.

19:38 And the younger, she also bore a son and called his name Ben-Ammi; he is the father of the people of Ammon to this day.

Translation and sources