Genesis 38:4-6

Lexham English Bible

⁴ And she conceived again and bore a son, and he called his name Onan. ⁵ And once again she bore a son, and she called his name Shelah. And he^[a] was in Chezib when she bore him. ⁶ And Judah took a wife for Er his firstborn, and her name was Tamar.