Joseph was served at a table by himself, and his brothers were served at another. The Egyptians sat at yet another table, because Egyptians felt it was disgusting to eat with Hebrews.
Jacob killed an animal and offered it as a sacrifice there on the mountain, and he invited his men to eat with him. After the meal they spent the night on the mountain.
he saw Benjamin and told the servant in charge of his house, "Take these men to my house. Slaughter an animal and cook it, so they can eat with me at noon."
When he does, be sure to say, "We are shepherds. Our families have always raised sheep." If you tell him this, he will let you settle in the region of Goshen. Joseph wanted them to say this to the king, because the Egyptians did not like to be around anyone who raised sheep.