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