These are the sons of Israel: Reuben, Simeon, Levi, Judah, Issachar, Zebulun,
Dan, Joseph, Benjamin, Naphtali, Gad, and Asher.
The sons of Judah: Er, Onan, and Shelah; these three the Canaanite woman Bath-shua bore to him. Now Er, Judah's firstborn, was wicked in the sight of the Lord, and he put him to death.
His daughter-in-law Tamar also bore him Perez and Zerah. Judah had five sons in all.
The sons of Perez: Hezron and Hamul.
The sons of Zerah: Zimri, Ethan, Heman, Calcol, and Dara, five in all.
References for 1 Chronicles 2:6
The sons of Carmi: Achar, the troubler of Israel, who transgressed in the matter of the devoted thing;
and Ethan's son was Azariah.