Genesis 38:29

38:29 But then he drew back his hand, and his brother came out before him. She said, “How you have broken out of the womb!” So he was named Perez.

Numbers 26:20

26:20 And the Judahites by their families were: from Shelah, the family of the Shelahites; from Perez, the family of the Perezites; and from Zerah, the family of the Zerahites.