Divrey Hayamim Alef 2:3-5

Orthodox Jewish Bible

³ The Bnei Yehudah: Er, and Onan, and Shelah, which three were born unto him of Bat-Shua the Kanaanit. And Er, the bechor of Yehudah, was rah in the eyes of Hashem; and He put him to death.

⁴ And Tamar his kallah (daughter-in-law) bore him Peretz and Zerach. All the Bnei Yehudah were five.

⁵ The Bnei Peretz: Chetzron, and Chamul.