Exodus 6:14-16

14These are the ancestors of some of the clans of Israel: The sons of Reuben, Israel’s oldest son, were Hanoch, Pallu, Hezron, and Carmi. Their descendants became the clans of Reuben.

15The sons of Simeon were Jemuel, Jamin, Ohad, Jakin, Zohar, and Shaul. (Shaul’s mother was a Canaanite woman.) Their descendants became the clans of Simeon.

16These are the descendants of Levi, as listed in their family records: The sons of Levi were Gershon, Kohath, and Merari. (Levi lived to be 137 years old.)