1 Chronicles 2:3

The sons of Judah: Er, Onan and Shelah; these three Bath-shua the Canaanite bore to him. Now Er, Judah's firstborn, was evil in the sight of the LORD, and he put him to death.

Genesis 38:2-10

There Judah saw the daughter of a certain Canaanite whose name was Shua. He took her and went in to her,

Genesis 46:12

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

Numbers 26:19

The sons of Judah were Er and Onan; and Er and Onan died in the land of Canaan.

1 Chronicles 9:5

And of the Shilonites: Asaiah the firstborn, and his sons.

Treasury of Scripture Knowledge

Summary

The sons of Judah; Er, and Onan, and Shelah: which three were born unto him of the daughter of Shua the Canaanitess. And Er, the firstborn of Judah, was evil in the sight of the LORD; and he slew him.

Bible References

Er, and

1 Chronicles 9:5
And of the Shilonites: Asaiah the firstborn, and his sons.
Genesis 38:2
There Judah saw the daughter of a certain Canaanite whose name was Shua. He took her and went in to her,
Genesis 46:12
The sons of Judah: Er, Onan, Shelah, Perez, and Zerah (but Er and Onan died in the land of Canaan); and the sons of Perez were Hezron and Hamul.
Numbers 26:19
The sons of Judah were Er and Onan; and Er and Onan died in the land of Canaan.

The Holy Bible, English Standard Version® copyright © 2001 by Crossway Bibles, a publishing ministry of Good News Publishers.