Genesis 38:8
TSK
Judah said to Onan, "Go in to your brother's wife, and perform the duty of a husband's brother to her, and raise up seed to your brother."
TSK
Treasury of Scripture Knowledge references in WEB.
Judah said to Onan, "Go in to your brother's wife, and perform the duty of a husband's brother to her, and raise up seed to your brother."
Judah acknowledged them, and said, "She is more righteous than I, because I didn't give her to Shelah, my son." He knew her again no more.
Naomi said, "Go back, my daughters. Why do you want to go with me? Do I still have sons in my womb, that they may be your husbands?