Judah’s sons were Er, Onan, and Shelah. These three were born to him by Bathshua, a Canaanite woman. The Lord considered Er, Judah’s firstborn, evil, so the Lord killed Er.
The descendants of Shelah, son of Judah, were Er, who first settled Lecah, Laadah, who first settled Mareshah, families of the guild of linen workers at Beth Ashbea,