Hereby ye shall be proved: By the life of Pharaoh ye shall not go forth hence, except your youngest brother come hither.

GENESIS 42:15KJV
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What does Genesis 42:15 mean?

Genesis 42:15 records Joseph telling his brothers that they will be tested: they cannot leave Egypt unless their youngest brother comes to him. Joseph swears “by the life of Pharaoh” that this is the only way they can prove their honesty.

Joseph, now a powerful official in Egypt, is speaking to his brothers who have come to buy grain during a famine. They do not recognize him, but he recognizes them and accuses them of being spies. Joseph sets this condition to see if they are telling the truth about having a younger brother and to create a situation where his family might be reunited.

The Hebrew behind Genesis 42:15

  • “Proved” (בָּחַן, bachan): This word means to test or examine closely. Joseph is not just asking for information—he is setting up a real test to see if his brothers’ story holds up.
  • “Life” (חַי, chai): Joseph swears “by the life of Pharaoh,” which was a common Egyptian oath, showing both the seriousness of his demand and his position in Egypt.
  • “Youngest” (קָטָן, qatan): The word highlights Benjamin’s status as the youngest brother, which is central to Joseph’s plan and the unfolding family story.

Why Genesis 42:15 matters

  • This verse clarifies that Joseph is intentionally testing his brothers, not simply making a request, which sets up the tension for the following events.
  • The use of an Egyptian oath (“by the life of Pharaoh”) emphasizes Joseph’s authority and his hidden identity, deepening the dramatic irony for the reader.
  • The demand to see the youngest brother, Benjamin, is key to the story’s development, as it will eventually lead to Joseph revealing himself and the family being reconciled.

Where else these words appear

“proved” Hebrew H974 · used in 28 verses

  • Genesis 42:16 Send one of you, and let him fetch your brother, and ye shall be kept in prison, that your words may be proved, whether there be any truth in you: or else by the life of Pharaoh surely ye are spies.
  • Psalms 11:5 The LORD trieth the righteous: but the wicked and him that loveth violence his soul hateth.
  • Jeremiah 9:7 Therefore thus saith the LORD of hosts, Behold, I will melt them, and try them; for how shall I do for the daughter of my people?

“Hereby” Hebrew H2063 · used in 38 verses

  • Genesis 2:23 And Adam said, This is now bone of my bones, and flesh of my flesh: she shall be called Woman, because she was taken out of Man.
  • Leviticus 26:27 And if ye will not for all this hearken unto me, but walk contrary unto me;
  • 1 Kings 3:23 Then said the king, The one saith, This is my son that liveth, and thy son is the dead: and the other saith, Nay; but thy son is the dead, and my son is the living.

“youngest” Hebrew H6996 · used in 100 verses

  • Genesis 1:16 And God made two great lights; the greater light to rule the day, and the lesser light to rule the night: he made the stars also.
  • 1 Samuel 16:11 And Samuel said unto Jesse, Are here all thy children? And he said, There remaineth yet the youngest, and, behold, he keepeth the sheep. And Samuel said unto Jesse, Send and fetch him: for we will not sit down till he come hither.
  • 2 Chronicles 34:30 And the king went up into the house of the LORD, and all the men of Judah, and the inhabitants of Jerusalem, and the priests, and the Levites, and all the people, great and small: and he read in their ears all the words of the book of the covenant that was found in the house of the LORD.