Parallel
Genesis 38:8
Brenton's English Septuagint · Berean Standard Bible
And Judas said to Aunan, Go in to thy brother's wife, and marry her as her brother-in-law, and raise up seed to thy brother.
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.”