Exodus 6:14, 25

These 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.

Eleazar son of Aaron married one of the daughters of Putiel, and she gave birth to his son, Phinehas. These are the ancestors of the Levite families, listed according to their clans.