The sons of Judah were Er, Onan and Shelah. A woman from Canaan had those three sons by him. She was the daughter of Shua. Er was Judah's oldest son. He was evil in the LORD's eyes. So the LORD put him to death.
Tamar was Judah's daughter-in-law. She had Perez and Zerah by him. The total number of Judah's sons was five.
The sons of Perez were Hezron and Hamul.
The sons of Zerah were Zimri, Ethan, Heman, Calcol and Darda. The total number of Zerah's sons was five.
The son of Carmi was Achar. He brought trouble on Israel. He took some of the things that had been set apart to the LORD in a special way to be destroyed. When he did that, he disobeyed the LORD's command.
The son of Ethan was Azariah.
Hezron was the father of Jerahmeel, Ram and Caleb.