Gen 38:8 | ESV | e4.org | Then Judah said to Onan , Go in to your brother’s wife and perform the duty of a brother-in-law to her, and raise up offspring for your brother .

‏ Genesis 38:8

8 Then Judah said to Onan, “Go in to ^ayour brother’s wife and ^bperform the duty of a brother-in-law to her, and raise up offspring for your brother.”