OT-LAW.filter - kjv perceive:

kjv@Genesis:19:33 @ And 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.

kjv@Genesis:19:35 @ And 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.