And he said, Behold now, my lords, turn in, I pray you, into your servant's house, and tarry all night, and wash your feet, and you shall rise up early, and go on your way. And they said, Nay; but we will abide in the street all night.

And it came to pass on the next day, that the firstborn said unto the younger, Behold, I lay last night with my father: let us make him drink wine this night also; and you go in, and lie with him, that we may preserve descendants of our father.