3
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.
4
Judah also had Perez and Zerah by his daughter-in-law Tamar - a total of five sons.
5
Perez had Hezron and Hamul;
6
Zerah had Zimri, Ethan, Heman, Calcol, and Darda - five sons.
7
Carmi had Achar, who brought doom on Israel when he violated a holy ban.