But he pulled back his hand, and his brother was born first. And she said, “What a breach you have made for yourself [to be the firstborn]!” So he was named Perez (breach, break forth).

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.