1 Chronicles 2:3-6

The sons of Judah: Er, Onan and Shelah. These three were born to him by a Canaanite woman, the daughter of Shua. (Er, Judah’s firstborn, was wicked in the LORD’s sight; so the LORD put him to death.) 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.