1 Chronicles 2:3
The sons of Judah: Er, and Onan, and Shelah: which three were born to him of the daughter of Shua the Canaanitess. And Er, Judah's firstborn, was wicked in the sight of Jehovah; and he slew him.
Genesis 38:2-10
And Judah saw there the daughter of a Canaanitish man whose name was Shua; and he took her, and went in to her.
Genesis 46:12
And the sons of Judah: Er, and Onan, and Shelah, and Pherez, and Zerah; but Er and Onan died in the land of Canaan. And the sons of Pherez 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 the Shilonites: Asaiah the firstborn, and his sons.