As it was, he withdrew his hand, and then his brother was born. Amazed, the midwife cried out loud, "What's this? A breach birth?" So that boy was named Perez.

and Judah's sons Er, Onan, Shelah, Perez, and Zerah. (Technically, Er and Onan had died in the land of Canaan.) Perez's sons were Hezron and Hamul.