1 Chronicles 2:3–4

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. So the LORD put him to death.

⁴Tamar, Judah’s daughter-in-law, bore to him Perez and Zerah. Judah had five sons in all.