Afterward, his brother came out, the one with the crimson thread on his wrist. That’s why they named him Zerah (“the crimson one”).
Judah and Tamar had twin sons, Perez and Zerah. Perez had a son named Hezron, who had a son named Ram,
Judah and his sons: Shelah, Perez, and Zerah. (Judah’s other sons, Er and Onan, had died in Canaan.) Perez’s sons were Hezron and Hamul.