Numbers 26:19-21

The sons of Judah were Er and Onan: and Er and Onan died in the land of Canaan. And the sons of Judah after their families were; of Shelah, the family of the Shelanites: of Pharez, the family of the Pharzites: of Zerah, the family of the Zarhites. And the sons of Pharez were; of Hezron, the family of the Hezronites: of Hamul, the family of the Hamulites.