Leeser(i)
19 The sons of Judah were ‘Er and Onan; and ‘Er with Onan died in the land of Canaan.
20 And the sons of Judah after their families were: of Shelah, the family of the Shelanites; of Perez, the family of the Parzites; of Zerach, the family of the Zarchites.
21 And the sons of Perez were: of Chezron, the family of the Chezronites; of Chamul, the family of the Chamulites.