Genesis 19:34
King James Version
“And it came to pass on the morrow, that the firstborn said unto the younger, Behold, I lay yesternight with my father: let us make him drink wine this night also; and go thou in, lie with him, that we may preserve seed of our father.”
Context
31And the firstborn said unto the younger, Our father old, and not a man in the earth to come in unto us after the manner of all the earth:
32Come, let us make our father drink wine, and we will lie with him, that we may preserve seed of our father.
33And they made their father drink wine that night: and the firstborn went in, and lay with her father; and he perceived not when she lay down, nor when she arose.
34And it came to pass on the morrow, that the firstborn said unto the younger, Behold, I lay yesternight with my father: let us make him drink wine this night also; and go thou in, lie with him, that we may preserve seed of our father.
35And they made their father drink wine that night also: and the younger arose, and lay with him; and he perceived not when she lay down, nor when she arose.
36Thus were both the daughters of Lot with child by their father.
37And the firstborn bare a son, and called his name Moab: the same the father of the Moabites unto this day.