Read 1 Chronicles 2:3 Using Other Translations
The sons of Judah; Er, and Onan, and Shelah: which three were born unto him of the daughter of Shua the Canaanitess. And Er, the firstborn of Judah, was evil in the sight of the LORD; and he slew him.
The sons of Judah: Er, Onan and Shelah; these three Bath-shua the Canaanite bore to him. Now Er, Judah's firstborn, was evil in the sight of the LORD, and he put him to death.
Judah had three sons from Bathshua, a Canaanite woman. Their names were Er, Onan, and Shelah. But the LORD saw that the oldest son, Er, was a wicked man, so he killed him.