1 Chronicles 2:3
The sons of Judah: Er, Onan, and Shelah. These 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.
Genesis 38:2-10
And Judah saw there a daughter of a certain Canaanite, whose name was Shuah, and he took her and went in unto her.
Genesis 46:12
And the sons of Judah: Er and Onan and Shelah and Pharez and Zerah; but Er and Onan died in the land of Canaan. And the sons of Pharez were Hezron and Hamul.
Numbers 26:19
The sons of Judah: Er and Onan; and Er and Onan died in the land of Canaan.
1 Chronicles 9:5
And of Shiloni: Asaiah the firstborn and his sons.