Genesis 46:12And the sons of Judah; Er, and Onan, and Shelah, and Pharez, and Zarah: but Er and Onan died in the land of Canaan. And the sons of Pharez were Hezron and Hamul.
Numbers 26:19The sons of Judah were Er and Onan: and Er and Onan died in the land of Canaan.