Exodus 6:10-14

Now the Lord spoke to Moses, saying,

“Go, tell Pharaoh king of Egypt to let the sons of Israel go out of his land.”

But Moses spoke before the Lord, saying, “Behold, the sons of Israel have not listened to me; how then will Pharaoh listen to me, as I am unskilled in speech?”

Nevertheless, the Lord spoke to Moses and to Aaron and gave them a command concerning the sons of Israel and Pharaoh king of Egypt, to bring the sons of Israel out of the land of Egypt. The Heads of Israel

These are the heads of their fathers’ households. The sons of Reuben, Israel’s firstborn: Hanoch and Pallu, Hezron and Carmi; these are the families of Reuben.