NET
21 The sons of Shelah son of Judah: Er the father of Lecah, Laadah the father of Mareshah, the clans of the linen workers at Beth Ashbea,
Darby
21 The sons of Shelah the son of Judah: Er the father of Lechah, and Laadah the father of Mareshah, and the families of the house of byssus-workers, of the house of Ashbea,
KJV
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 them that wrought fine linen, of the house of Ashbea,