Israel's (that is, Jacob's) sons: Reuben, Simeon, Levi, Judah, Issachar, Zebulun,
Dan, Joseph, Benjamin, Naphtali, Gad, and Asher.
Judah had Er, Onan, and Shelah; their mother was Bathshua the Canaanite. Er, Judah's firstborn, was so bad before God that God killed him.
Judah also had Perez and Zerah by his daughter-in-law Tamar - a total of five sons.
Perez had Hezron and Hamul;
Zerah had Zimri, Ethan, Heman, Calcol, and Darda - five sons.
Carmi had Achar, who brought doom on Israel when he violated a holy ban.
Ethan's son was Azariah.