1 Chronicles 2:3; 1 Chronicles 4:21

1 Chronicles 2:3

3 The sons of Judah were Er, Onan and Shelah; these three were born to him by Bath-shua the Canaanitess. And Er, Judah's firstborn, was wicked in the sight of the LORD , so He put him to death.

1 Chronicles 4:21

21 The sons of Shelah the son of Judah were Er the father of Lecah and Laadah the father of Mareshah, and the families of the house of the linen workers at Beth-ashbea ;