Thematic Bible: Takes two wives

And it came to pass at that time, that Judah went down from his brethren, and turned in to a man of Adullam whose name was Hirah. And Judah saw there the daughter of a Canaanitish man whose name was Shua; and he took her, and went in to her. And she conceived and bore a son; and he called his name Er. read more.
And she again conceived and bore a son, and she called his name Onan. And again she bore a son, and she called his name Shelah; and he was at Chezib when she bore him. And Judah took a wife for Er his firstborn, and her name was Tamar.