1 Chronicles (Author Compiled by Isaiah and Ezra from records of Nathan, Gad, Iddo, Ahijah, Jehu and others.)
2:3The 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.
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.