Thematic Bible: Takes two wives

Now at that time, Judah went away from his brothers and became the friend of a man of Adullam named Hirah. And there he saw the daughter of a certain man of Canaan named Shua, and took her as his wife. And she gave birth to a son, and he gave him the name Er. read more.
And again she gave birth to a son, and he gave him the name Onan. Then she had another son, to whom she gave the name Shelah; she was at Chezib when the birth took place. And Judah took a wife for his first son Er, and her name was Tamar.