Genesis 19:35-37 English Revised Version (ERV)

35. And they made their father drink wine that night also: and the younger arose, and lay with him; and he knew not when she lay down, nor when she arose.

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

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

Genesis 19