Genesis 38:8

New English Translation

Then Judah said to Onan, “Have sexual relations with your brother’s wife and fulfill the duty of a brother-in-law to her so that you may raise up a descendant for your brother.”

Cross References

Genesis 19:31

Later the older daughter said to the younger, “Our father is old, and there is no man anywhere nearby to have sexual relations with us, according to the way of all the world.

Leviticus 18:16

You must not have sexual intercourse with your brother’s wife; she is your brother’s nakedness.

Ruth 1:11

But Naomi replied, “Go back home, my daughters! There is no reason for you to return to Judah with me! I am no longer capable of giving birth to sons who might become your husbands!