Num Numbers, chapter Book of Numbers, chapter 26
The sons of Judah: Er and Onan. Er and Onan died in the land of Canaan. 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. The sons of Perez were: of Hezron, the family of the Hezronites; of Hamul, the family of the Hamulites.