Er: Son of Judah

So she conceived and gave birth to a son, and Judah named him Er.

Now Judah acquired a wife for Er, his firstborn, and her name was Tamar.

But Er, Judah’s firstborn, was wicked in the sight of the LORD; so the LORD put him to death.

The sons of Judah: Er, Onan, Shelah, Perez, and Zerah; but Er and Onan died in the land of Canaan. The sons of Perez: Hezron and Hamul.

The sons of Judah were Er and Onan, but they died in the land of Canaan.

The sons of Judah: Er, Onan, and Shelah. These three were born to him by Bath-shua the Canaanite. Er, Judah’s firstborn, was wicked in the sight of the LORD. So the LORD put him to death.