Genesis 38:8

American Standard Version (1901)

And Judah said unto Onan, Go in unto thy brother’s wife, and perform the duty of a husband’s brother unto her, and raise up seed to thy brother.

Cross References

Ruth 1:11

And Naomi said, Turn again, my daughters: why will ye go with me? have I yet sons in my womb, that they may be your husbands?

Leviticus 18:16

Thou shalt not uncover the nakedness of thy brother’s wife: it is thy brother’s nakedness.

Genesis 19:31

And the first-born said unto the younger, Our father is old, and there is not a man in the earth to come in unto us after the manner of all the earth: