Num Numbers, chapter Book of Numbers, chapter 26
The sons of Judah were Er and Onan, but Er and Onan died in the land of Canaan. The sons of Judah by their families were: of Shelah, the family of the Shelanites; of Perez, the family of the Perezites; of Zerah, the family of the Zerahites. The sons of Perez were: of Hezron, the family of the Hezronites; of Hamul, the family of the Hamulites.