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.
And it came to pass, while Israel dwelt in that land, that Reuben went and lay with Bilhah his father's concubine: and Israel heard of it. Now the sons of Jacob were twelve: