CAB(i)
19 And the sons of Judah were Er and Onan; and Er and Onan died in the land of Canaan.
20 And these were the sons of Judah, according to their families: of Shelah, the family of the Shelanites; of Perez, the family of the Parzites; of Zerah, the family of the Zarhites.
21 And the sons of Perez were: to Hezron, the family of the Hezronites; to Hamul, the family of the Hamulites.