Genesis 46:8-15

These are the names of the sons of Israel (Jacob and his descendants) who went to Egypt: Reuben the firstborn of Jacob. The sons of Reuben: Hanok, Pallu, Hezron and Karmi. The sons of Simeon: Jemuel, Jamin, Ohad, Jakin, Zohar and Shaul the son of a Canaanite woman. The sons of Levi: Gershon, Kohath and Merari. The sons of Judah: Er, Onan, Shelah, Perez and Zerah (but Er and Onan had died in the land of Canaan). The sons of Perez: Hezron and Hamul. The sons of Issachar: Tola, Puah, Jashub and Shimron. The sons of Zebulun: Sered, Elon and Jahleel. These were the sons Leah bore to Jacob in Paddan Aram, besides his daughter Dinah. These sons and daughters of his were thirty-three in all.