Genesis 19:36-38 Holman Christian Standard Bible (HCSB)

36. So both of Lot’s daughters became pregnant by their father.

37. The firstborn gave birth to a son and named him Moab. He is the father of the Moabites of today.

38. The younger also gave birth to a son, and she named him Ben-ammi. He is the father of the Ammonites of today.

Genesis 19