Exodus 1:2

1:2 Reuben, Simeon, Levi, and Judah,

Exodus 6:14

The Ancestry of the Deliverer

6:14 These are the heads of their fathers’ households:

The sons of Reuben, the firstborn son of Israel, were Hanoch and Pallu, Hezron and Carmi. These were the clans of Reuben.