Genesis 49:1-3

1Then Jacob summoned his sons and said, “Assemble yourselves, so that I may tell you what will happen to you 1in the 2days to come.2Gather together and listen, sons of Jacob; Yes, 3listen to Israel your father.

3“Reuben, you are my firstborn, My might and 4the beginning of my strength, Preeminent in dignity and preeminent in power.