Jacob found out that there was grain in Egypt. So he said to his sons, "Why do you just keep looking at each other?"
References for Genesis 42:1
He continued, "I've heard there's grain in Egypt. Go down there. Buy some for us. Then we'll live and not die."
So ten of Joseph's brothers went down to Egypt to buy grain there.
But Jacob didn't send Joseph's brother Benjamin with them. He was afraid Benjamin might be harmed.
Israel's sons were among the people who went to buy grain. There wasn't enough food in the land of Canaan.
Joseph was the governor of the land. He was the one who sold grain to all of its people. When Joseph's brothers arrived, they bowed down to him with their faces to the ground.