1 Chronicles 2:3

3 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.

1 Chronicles 2:3 In-Context

1 These are the sons of Israel; Reuben, Simeon, Levi, and Judah, Issachar, and Zebulun,
2 Dan, Joseph, and Benjamin, Naphtali, Gad, and Asher.
3 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.
4 And Tamar his daughter in law bare him Pharez and Zerah. All the sons of Judah were five.
5 The sons of Pharez; Hezron, and Hamul.
The King James Version is in the public domain.