1 Chronicles 2:4-7

ISV(i) 4 Judah’s daughter-in-law Tamar also bore him Perez and Zerah, so Judah had five sons in all.
5 Perez’s sons were Hezron and Hamul.
6 Zerah had five sons in all: Zimri, Ethan, Heman, Calcol, and Dara.
7 Carmi’s son was Achar, who became Israel’s troublemaker by transgressing the LORD’s commandment regarding things that were to be destroyed.