Then Judah said to Onan, Go in to thy brother's wife, and fulfil to her the brother-in-law's duty, and raise up seed to thy brother.

Then Judah said to Tamar, his daughter-in-law, "Stay a widow in your father's house until Shelah my son grows up," for {he feared he would also die} like his brother. So Tamar went and stayed in the house of her father.