Genesis 38:8

New Century Version

Then Judah said to Er’s brother Onan, “Go and have sexual relations with your dead brother’s wife. It is your duty to provide children for your brother in this way.”

Cross References

Genesis 19:31

One day the older daughter said to the younger, “Our father is old. Everywhere on the earth women and men marry, but there are no men around here for us to marry.

Leviticus 18:16

“ ‘You must not have sexual relations with your brother’s wife. That would shame your brother.

Ruth 1:11

But Naomi said, “My daughters, return to your own homes. Why do you want to go with me? I cannot give birth to more sons to give you new husbands;