Joseph's ten brothers went down to buy grain from Egypt.
Referenced Verses
Gen 42:5 : 5 The sons of Israel came to buy among those who came, for the famine was in the land of Canaan.
Gen 42:13 : 13 They said, "We, your servants, are twelve brothers, the sons of one man in the land of Canaan; and, behold, the youngest is this day with our father, and one is no more."