Genesis 42:23
King James Version
“And they knew not that Joseph understood for he spake unto them by an interpreter.”
Context
20But bring your youngest brother unto me; so shall your words be verified, and ye shall not die. And they did so.
21And they said one to another, We verily guilty concerning our brother, in that we saw the anguish of his soul, when he besought us, and we would not hear; therefore is this distress come upon us.
22And Reuben answered them, saying, Spake I not unto you, saying, Do not sin against the child; and ye would not hear? therefore, behold, also his blood is required.
23And they knew not that Joseph understood for he spake unto them by an interpreter.
24And he turned himself about from them, and wept; and returned to them again, and communed with them, and took from them Simeon, and bound him before their eyes.
25Then Joseph commanded to fill their sacks with corn, and to restore every man’s money into his sack, and to give them provision for the way: and thus did he unto them.
26And they laded their asses with the corn, and departed thence.