Then Judah said to Tamar, his daughter-in-law, “Remain a widow in your father’s house, until Shelah, my son, is grown up;” for he said, “Lest he also die, like his brothers.” Tamar went and lived in her father’s house.
The sons of Judah: Er, Onan, and Shelah, which three were born to him of Shua’s daughter the Canaanitess. Er, Judah’s firstborn, was wicked in the LORD’s sight; and he killed him.
The sons of Shelah the son of Judah: Er the father of Lecah, Laadah the father of Mareshah, and the families of the house of those who worked fine linen, of the house of Ashbea;
The sons of Judah after their families were: of Shelah, the family of the Shelanites; of Perez, the family of the Perezites; of Zerah, the family of the Zerahites.