Genesis 38:4-6

Authorized (King James) Version

⁴ And she conceived again, and bare a son; and she called his name Onan. ⁵ And she yet again conceived, and bare a son; and called his name Shelah: and he was at Chezib, when she bare him. ⁶ And Judah took a wife for Er his firstborn, whose name was Tamar.