Genesis 43:16
And when Joseph saw Benjamin with them, he said to the ruler of his house, Bring these men home, and slay, and make ready; for these men shall dine with me at noon. And when Joseph saw Benjamin with them, he said to the ruler of his house, Bring these men home, and slay, and make ready; for these men shall dine with me at noon.
When Joseph saw Benjamin with the rest, he directed the ruler of his house to bring the men home to his residence and to slay and make ready, for they were to dine with him at noon, the meal prepared for them being a feast. The Benjamin so seen was Joseph's own mother's son, now beheld with his brothers after a long separation. The sight stirred strong brotherly love and deep emotion that he could scarcely restrain, yet he restrained and concealed his feelings and kept his identity hidden from them.
He afterward withdrew by himself to weep. The brothers, on being brought to Joseph's house, misunderstood the kindness and were afraid, fearing they were being called to account for the money found in their sacks, supposing it had been placed there on purpose to find occasion against them and make them slaves. At the meal itself Egyptian custom did not allow Egyptians to eat with foreigners, so Joseph ate by himself, the brothers by themselves, and the Egyptians who served by themselves.
Joseph used the feast to observe and test his brothers, to learn whether they still felt envy and hatred toward a favored brother as they had once envied him. For this trial he had them arranged before him by age, from firstborn to youngest, and he gave Benjamin five times as much food as any of the others, making the favor to Benjamin the measure of their spirit.