Genesis 38:6 KJV

And Judah took a wife for Er his firstborn, whose name was Tamar.
Genesis 38:6, King James Version

In context

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.

7 And Er, Judah’s firstborn, was wicked in the sight of the Lord; and the Lord slew him.