Numbers 26:19-22

19The 1sons of Judah were Er and Onan, but Er and Onan died in the land of Canaan. 20The 2sons of Judah according to their families were: of Shelah, the family of the Shelanites; of Perez, the family of the Perezites; of Zerah, the family of the Zerahites. 21The sons of Perez were: of Hezron, the family of the Hezronites; of Hamul, the family of the Hamulites. 22These are the families of Judah according to those who were numbered of them, 376,500.