Genesis 44:19
My lord asked his slaves, saying, Have ye a father or a brother?
Genesis 43:7
And they said, The man asked us expressly of our state and of our kindred, saying, Is your father yet alive? Have ye another brother? And we told him according to the tenor of these words. Could we certainly know that he would say, Bring your brother down?
Genesis 42:7-10
And when Joseph saw his brethren, he knew them, but made himself strange unto them and spoke roughly unto them; and he said unto them, Where have you come from? And they said, From the land of Canaan to buy food.
Genesis 43:29
And he lifted up his eyes and saw his brother Benjamin, his mother's son, and said, Is this your younger brother, of whom ye spoke unto me? And he said, God be merciful unto thee, my son.