Then Judah said to his daughter-in-law Tamar, “Stay as a widow in your father’s house until my son Shelah grows up,” because he thought, “Otherwise he too might die, like his brothers.” So Tamar went and stayed in her father’s house.
The sons of Judah: Er, Onan and Shelah—the three were born to him by Bath-shua the Canaanite woman. But Er, Judah’s firstborn, was wicked in the sight of Adonai, so He put him to death.