New Living Translation
Then Judah said to Er’s brother Onan, “Go and marry Tamar, as our law requires of the brother of a man who has died. You must produce an heir for your brother.”

American Standard Version
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.

Berean Study Bible
Then Judah said to Onan, “Sleep with your brother’s wife. Perform your duty as her brother-in-law and raise up offspring for your brother.”

Douay-Rheims Bible
Juda, therefore add to Onan his son: Go in to thy brother's wife and marry her, that thou mayst raise seed to thy brother.

English Revised Version
And Judah said unto Onan, Go in unto thy brother's wife, and perform the duty of an husband's brother unto her, and raise up seed to thy brother.

King James Bible
And Judah said unto Onan, Go in unto thy brother's wife, and marry her, and raise up seed to thy brother.

World English Bible
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."

Young's Literal Translation
And Judah saith to Onan, 'Go in unto the wife of thy brother, and marry her, and raise up seed to thy brother;'

Genesis 38:8 Additional Translations ...