Genesis 17:19
17:19 God said, “No, Sarah your wife is going to bear you a son, and you will name him Isaac. I will confirm my covenant with him as a perpetual covenant for his descendants after him.
Genesis 43:9
43:9 I myself pledge security for him; you may hold me liable. If I do not bring him back to you and place him here before you, I will bear the blame before you all my life.
Genesis 44:32
44:32 Indeed, your servant pledged security for the boy with my father, saying, ‘If I do not bring him back to you, then I will bear the blame before my father all my life.’