Genesis 19:37

And the elder gave birth to a son, and she called his name Moab. He is the father of the Moabites, even to the present day

Other versions

King James Version

And the firstborn bare a son, and called his name Moab: the same is the father of the Moabites unto this day.

English Standard Version

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

New International Version

The older daughter had a son, and she named him Moab; he is the father of the Moabites of today.