Cross References → Genesis 38:5

Then Judah said to his daughter-in-law Tamar, “Live as a widow in your father’s house until my son Shelah grows up.” For he thought, “He may die too, like his brothers.” So Tamar went to live in her father’s house. ... Judah recognized the items and said, “She is more righteous than I, since I did not give her to my son Shelah.” And he did not have relations with her again.

The sons of Judah: Er, Onan, Shelah, Perez, and Zerah; but Er and Onan died in the land of Canaan. The sons of Perez: Hezron and Hamul.

These were the descendants of Judah by their clans: The Shelanite clan from Shelah, the Perezite clan from Perez, and the Zerahite clan from Zerah.

The sons of Shelah son of Judah: Er the father of Lecah, Laadah the father of Mareshah and the clans of the linen workers at Beth-ashbea,