1 Chronicles 2:4-8

Judah’s daughter-in-law Tamar bore Perez and Zerah to Judah. He had five sons in all. The sons of Perez: Hezron and Hamul. The sons of Zerah: Zimri, Ethan, Heman, Kalkol and Darda—five in all. The son of Karmi: Achar, who brought trouble on Israel by violating the ban on taking devoted things. The son of Ethan: Azariah.