In case anyone thought I was kidding.
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. 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, and lie with him, that we may preserve seed of our father. 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. Thus were both the daughters of Lot with child by their father. [Genesis 19:33-36]
And Judah said unto Onan, Go in unto thy brother’s wife, and marry her, and raise up seed to thy brother. And Onan knew that the seed should not be his; and it came to pass, when he went in unto his brother’s wife, that he spilled it on the ground, lest that he should give seed to his brother. [Genesis 38:8-9]
And when she had brought them unto him to eat, he took hold of her, and said unto her, Come lie with me, my sister. And she answered him, Nay, my brother, do not force me; for no such thing ought to be done in Israel: do not thou this folly. And I, whither shall I cause my shame to go? and as for thee, thou shalt be as one of the fools in Israel. Now therefore, I pray thee, speak unto the king; for he will not withhold me from thee. Howbeit he would not hearken unto her voice: but, being stronger than she, forced her, and lay with her. [2 Samuel 13:11-14]
Thou hast played the whore also with the Assyrians, because thou wast unsatiable; yea, thou hast played the harlot with them, and yet couldest not be satisfied. [Ezekiel 16:28]
And Aholah played the harlot when she was mine; and she doted on her lovers, on the Assyrians her neighbours, Which were clothed with blue, captains and rulers, all of them desirable young men, horsemen riding upon horses. Thus she committed her whoredoms with them, with all them that were the chosen men of Assyria, and with all on whom she doted: with all their idols she defiled herself. Neither left she her whoredoms brought from Egypt: for in her youth they lay with her, and they bruised the breasts of her virginity, and poured their whoredom upon her. [Ezekiel 23:5-8]
And when her sister Aholibah saw this, she was more corrupt in her inordinate love than she, and in her whoredoms more than her sister in her whoredoms. She doted upon the Assyrians her neighbours, captains and rulers clothed most gorgeously, horsemen riding upon horses, all of them desirable young men. Then I saw that she was defiled, that they took both one way, And that she increased her whoredoms: for when she saw men pourtrayed upon the wall, the images of the Chaldeans pourtrayed with vermilion, Girded with girdles upon their loins, exceeding in dyed attire upon their heads, all of them princes to look to, after the manner of the Babylonians of Chaldea, the land of their nativity: And as soon as she saw them with her eyes, she doted upon them, and sent messengers unto them into Chaldea. And the Babylonians came to her into the bed of love, and they defiled her with their whoredom, and she was polluted with them, and her mind was alienated from them. So she discovered her whoredoms, and discovered her nakedness: then my mind was alienated from her, like as my mind was alienated from her sister. Yet she multiplied her whoredoms, in calling to remembrance the days of her youth, wherein she had played the harlot in the land of Egypt. For she doted upon their paramours, whose flesh is as the flesh of asses, and whose issue is like the issue of horses. Thus thou calledst to remembrance the lewdness of thy youth, in bruising thy teats by the Egyptians for the paps of thy youth. [Ezekiel 23:11-21]