Genesis 43:7
And they said, "The man asked explicitly about us and about our family, saying, 'Is your father still alive? Do you have a brother?' And we answered him according to these words. How could we know that he would say, 'Bring down your brother'?"
Genesis 43:3
Then Judah said to him, "The man solemnly admonished us, saying, 'You shall not see my face unless your brother [is] with you.'
Genesis 42:13
Then they said, "We, your servants, [are] twelve brothers, the sons of one man in the land of Canaan, but behold, the youngest [is] with our father today, and one is no more."
Genesis 43:27
And {he greeted them} and said, "Is your father well, the old man of whom you spoke? Is he still alive?"