Genesis 44:18-20

18Then Judah approached Joseph and said, “Sir, please let your servant speak personally to my lord. Do not be angry with your servant, for you are equal to Pharaoh himself. 19My lord asked his servants, ‘Do you have a father or a brother?’

20And we answered, ‘We have an elderly father and a younger brother, the child of his old age. The boy’s brother is dead. He is the only one of his mother’s sons left, and his father loves him.’