Genesis 42:37
Then Reuben said to his father, "Kill my two sons if I do not bring him back to you. Put him in my hands, and I will bring him back to you."
Genesis 46:9
and the sons of Reuben: Hanoch, Pallu, Hezron, and Carmi.
Genesis 43:9
I will be a pledge of his safety. From my hand you shall require him. If I do not bring him back to you and set him before you, then let me bear the blame forever.
Genesis 44:32-34
For your servant became a pledge of safety for the boy to my father, saying, 'If I do not bring him back to you, then I shall bear the blame before my father all my life.'
Micah 6:7
Will the LORD be pleased with thousands of rams, with ten thousands of rivers of oil? Shall I give my firstborn for my transgression, the fruit of my body for the sin of my soul?"