3The sons of Judah: Er, Onan, and Shelah. These three were born to him by Bath-shua the Canaanite. Er, Judah’s firstborn, was wicked in the sight of the LORD, who put him to death.
4Tamar, Judah’s daughter-in-law, bore to him Perez and Zerah. Judah had five sons in all.
5The sons of Perez: Hezron and Hamul.
— 1 Chronicles 2:3-5